td; njhopdl;gtpay; - nie.lk
TRANSCRIPT
i
fy;tpg; nghJj;juhju gj;jpuk; (caH juk;)
td; njhopDl;gtpay;ts Ey;ts Ey;ts Ey;ts Ey;ts Ey;
juk; 12
njhopDl;gf; fy;tpj; Jiw
tpQ;Qhd njhopDl;gtpay; gPlk;
Njrpa fy;tp epWtfk;.
ii
td; njhopDl;gtpay;
ts Ey;
juk; 12
© Njrpa fy;tp epWtfk;
Kjw; gjpg;G 2011
ISBN
njhopDl;g fy;tpj; Jiw
tpQ;Qhd njhopDl;gg; gPlk;
Njrpa fy;tp epWtfk;
kfufk
uqøKh(
iii
Kd;DiuKd;DiuKd;DiuKd;DiuKd;Diu
rpNu~;l> ,ilepiyg; ghlrhiy kl;lj;jpy; 12 Mk; juj;jpy; 2009 Mk;
Mz;L njhlf;fk; mKypy; cs;s td;njhopEl;gtpay; ghlg; ghlj;jpl;lj;jpw;fhf
jkpo; nkhopapy; njhlu;Gila ts Ey;fisg; ngWtjpy; cs;s ,lu;ghLfisf;
Fiwg;gjw;fhf jw;fhy NjitfSf;Fk; nghUj;jkhdtwhf njhlu;Gila
tsEnyhd;wpid ntspaplf; fpilj;jik Fwpj;J kfpo;r;rpailfpNwd;.
,Ugj;Njhuhk; Ew;whz;by; Njhd;wpAs;s miw$ty;fis ntw;wpfukhf
vjpu;nfhs;sj;jf;f jdpahs;fisr; r%fj;jpw;F toq;FtJ jw;fhyg; ghlrhiyfspd;
ghupa nghWg;ghFk;. ,isQu; - Atjpfsplj;Nj etPd njhopEl;g mwpT> jpwd;fs;>
ew;gz;Gfs;> gof;f tof;fq;fs;> kdg;ghq;Ffis tpUj;jpnra;J mtrpakhFk;.
ehl;bd; nghUshjhu mgptpUj;jpf;fhf mtu;fsJ gq;fspg;igg; ngw KbtJ
tpN~lkhd xU gpujpgydhFk;. etPd njhopw;rhiyapd; NjitfSf;Fg; nghUj;jkhd
ghlkhf td;njhopDl;gtpay; vDk; ,g;ghlj;ijg; gapYk; khztUf;F mtrpakhd
jpwd;fis cs;slf;fpa xU ts Eyhfpa ,J Mrpupau;fisg; nghWj;jkl;by;
xU Kf;fpakhd rthyhFk;.
,e;j Eiy ed;F crhTtjd; %yk; cau;fy;tpf;F Jiz cUthf;FtNjhL
r%fj;jpd; NjitfSf;Fg; nghUj;jkhd vjpu;fhyr; re;jjpnahd;wpid cUthf;fTk;
JizahFk;.
,e;j Eiy jahupg;gjpy; gq;fspg;Gr; nra;j Njrpa fy;tp epWtd tpQ;Qhd
njhopEl;gg; gPlj;ijr; Nru;e;j njhopEl;gf; fy;tpj; JiwapdUf;Fk; vdJ ed;wpiaj;
njuptpf;fpNwd;.
Nguhrpupau; mNguj;d gz;lhu
gzpg;ghsu; ehafk;
iv
KfTiuKfTiuKfTiuKfTiuKfTiu
f.ngh.j. cau.ju fiyg; gpuptpy; mlq;Fk; td; njhopEl;gk; vDk;
ghlj;jpw;fhd ,e;j tsEiy Njrpa fy;tp epWtf tpQ;Qhd njhopEl;gg gPlj;jpd;
Clhf ntspaplf;fpilj;jik Fwpj;J kfpo;r;rpailfpNwd;. td; njhopEl;gk; vDk;
ghlj;ijg; gapYk; khzt khztpauJ fy;tp vjpu;ghu;g;Gf;fis milaj;jf;f tifapy;
,g;ghlEypy; ghl tplaq;fs; cs;slf;fg;gl;Ls;sd vd;gJ vdJ ek;gpf;ifahFk;.
njhopEl;gtpay; vd;why; vd;d? vDk; mwpKfj;Jld; Muk;gkhFk;. ,t;ts Eypy;
ngsjPf> ,urhad> capupay; mbg;gilfSk; cs;slf;fg;gl;bUg;gJk; xU
rpwg;gk;rkhFk;. Rw;whliyf; fw;wy;> ,aw;if mdu;j;jq;fis ,ad;wsT Fiwj;jy;>
,aw;if mdu;j;jq;fisj; jtpu;g;gJ Nghd;w tplaq;fs; jw;fhyj;jpy; ,d;wpaikahj
fw;wy; mDgtq;fshf mikAk; vd;gjpy; Iakpy;iy. ,t;thwhd xU #oypy;
thOk; gps;isfis xOf;fKk; ew;gz;GfSk; kpf;f ngUik kpf;f xU re;jjpahf
r%fj;jpw;F toq;Ftjpy; jw;fhy cyfpd; njhopw;re;ijf;F nghUj;jkhdtu;fisAk;
r%fj;Jf;Fk; ,r;nrad;Kiwf;F gq;fspg;G nra;tjw;fhf Njitahd topfhl;ly;
,e;j td;njhopEl;gtpay; ghlj;jpd; Clhf fpilf;Fk; vd;gJ vdJ vjpu;g;ghu;g;ghFk;.
yhy; tpN[rpq;f
cjtpg; gzpg;ghsu; ehafk;
v
mwpKfk;mwpKfk;mwpKfk;mwpKfk;mwpKfk;
f.ngh.j cau; ju fiyg; ghlg;gpuptpy; 12 Mk; ju td; njhopEl;gtpay;
ghlj;ijf; fw;Fk; gps;isfSf;F Njitahd jfty;fisg; ngw;wf;nfhs;tjw;F
jkpo; nkhopapy; vOjg;gl;l ghlEy;fNsh> ts Ey;fNsh gpw %y tsq;fNsh
,y;yhik xU FiwahFk;.
mf;Fiwghl;il eptu;j;jp nra;Ak; Nehf;Fld; Njrpa fy;tpj; Jiwapdu;
ghlj;jpl;lj;jpw;F cl;gl;l tifapy; ghltplaq;fisAk; jfty;fisAk; jpul;b xU
tsEyhf ntapsplf;fpilj;jik Fwpj;J kfpo;r;rpailfpNwd;.
,t;thwhd tsEiy khztUf;F toq;Ftnjd;gJ fw;wy;-fw;gpj;jy;
nrad;Kiwapy; <LgLk; Mrpupa MrpupiafSf;F jkJ gzpia NkYk; rpwg;ghf;f
Vw;w Jizahf mikAk;. NkYk; Ra fw;wypy; <LgLk; gps;isfSf;F jkJ
gzpia rpwg;ghf nra;tjw;Fk; ,J cjTk;. ,e;j tsEiy crhtp mjDld;
njhlu;Gila Nfhl;ghLfisf; ifahz;Lghu;j;J NkYk; fw;wy; mDgtq;fs; %yk;
jkJ mwpT> jpwd;fs; kdg;ghq;FfisAk; Nju;r;rpfisAk; tpUj;jp nra;J nfhs;syhk;
vd;gJk; mt;thwhwd Nju;r;rpkpf;f ,sQ;re;jj;pnahd;iw cUthf;fp r%fj;jpw;F
toq;f ,e;Ey; Jizahf mikAk;.
njhopDl;gr; rhjdq;ffspd; njhopw;ghl;bd; ghy; ghlj;jpl;lj;jpy; mlq;Ffpd;w
Nfhl;ghLfs;> tpjpfs;> Nghd;wd gq;fspg;Gr; nra;Ak; tpjj;jpy; Njbaha;tJ
Kf;fpakhdjhFk;. NkYk; Fwpj;j jfty;fisj; jpul;b ,q;F Fwpg;gplg;gl;Ls;s
Vida Ey;fisAk; crhtp fw;wy; mDgtq;fis cWjpg;gLj;jpf;nfhs;Sjy;
mtrpakhdjhFk;.
td;njhopDl;gk; vDk; ghlj;ijf; fw;Fk; cq;fSf;F 13 Mk; juj;jpy;
ePq;fs; njupTnra;Jnfhs;sTs;s njhopDl;gj;Jiw rhu;e;j mbg;gilahd
Maj;jq;fisg; ngWtjw;Fj; Njitahd #oy; 12Mk; juj;jpy; cUthf;fg;gl;Ls;sJ.
,jd; %yk; ju;f;fuPjpahd rpe;jid> gFg;gha;Tj; jpwd;> Mf;fj;jpwd; Nghd;w nkd;
jpwd;fis ( Generic Skills ) tpUj;jp nra;J nfhs;tjd; %yk; f.ngh.j. cau;ju
guPl;iria ntw;wpfukhf vjpu;nfhs;Sk; Mw;wiyg; ngWk; ehl;Lf;Fk; nghUj;jkhd
gad;kpf;f xU gpuirahf cUthtjw;Fk; Mw;wy; fpilf;fl;Lk; vd gpuhu;j;jpf;fpNwd;.
B.vk;. fPu;j;jpuj;d
gzpg;ghsu;>
njhopEl;gf; fy;tpj; Jiw
Njrpaf; fy;tp epWtfk;.
vi
topfhl;ly;: Nguhrphpah; mNguj;d gz;lhu
gzpg;ghsH ehafk;> Njrpa fy;tp epWtfk;.
yhy;. vr;. tpN[rpq`
cjtpg; gzpg;ghsH ehafk;> Njrpa fy;tp epWtfk;
Nkw;ghHit: b.vk;.fPu;j;jpuj;d
vOj;jhsH FO:- -b.vk;.fPu;j;jpuj;d
gzpg;ghsu;> njhopEl;gf; fy;tpj; jpizf;fsk;
-fyhepjp. v];.V.vk;.vd;.v];. Nrdhdhaf.
rpNu~;l tphpTiuahsH> ,yq;if jpwe;j gy;fiyf;fofk;
-fyhepjp. v];. vk;. gpaNrd
rpNu~;l tphpTiuahsH> nkhul;Lit gy;fiyf;fofk;
-fyhepjp. V. vk;. K]hjpf;
rpNu~;l tphpTiuahsH> nkhul;Lit gy;fiyf;fofk;
-fyhepjp. urpf ngNuuh.
rpNu~;l tphpTiuahsH> ,yq;if jpwe;j gy;fiyf;fofk;
-Nguhrpupau;. vk;.vk;. gj;kyhy;
cahpay;; fy;tpg; gpupT> [atu;j;jd gy;fiof;fofk;
- -jpUkjp ePykzp nkd;b];
tphpTiuahsH> ,yq;if jpwe;j gy;fiyf;fofk;
-N[. Muparpq;`.
gFjpj; jiytu; (Xa;T ngw;w)
_nkfnuhdpf;]; njhopEl;gg;gpupT> njhopEl;gf; fy;Yup
kUjhid
- gp. thjrpq;`.
Xa;Tngw;w Mrpupa MNyhrfu;> mk;gyq;nfhil tyak;
- N[. Mu;. yq;fhGu
,yq;if MrphpaH Nrit> tpf;ukrPyh Nj. gh.-fphpcy;y
- gP. .b. Mupatd;r
,yq;if Mrpupau; Nrit> khiw/ rpj;jhu;j;j tp.>ntypfk
- nry;tp [uhq;fdp tURtpjhud
tphpTiuahsH> Mrpupau; fyhrhiy> cdtLd
- nry;tp gpugh nyNduh
,yq;if Mrpupau; Nrit> mOj;fk k.tp.
- vy;.Nf. Fyjpyf
,yq;if Mrpupau; Nrit> ,g;ghfKt Njrpa ghlrhiy
- v];.vk;. Mu;.A. Rgrpq;
,yq;if Mrpupau; Nrit> uhFy Nj.gh > myt;t.
- b. Nf. vd.; b. mkurpq;
,yq;if Mrpupau; Nrit> Nrdhehaf Nj.gh. Njhyq;fKt
vii
- b. Nf. vd.; b. mkurpq;
,yq;if Mrpupau; Nrit> Nrdhehaf Nj.gh.Njhyq;fKt
- MH. v]; . vjphprpq;`
,yq;if MrphpaH Nrit> khiw/ rpj;jhu;j;j tp.>ntypfk
- Nf. MH. v];. gyfk
mjpgH Nrit> rhd;j N[h]g; k. tp. - Nffhiy
- jpUkjp b. Nf. khndy; j rpy;th
,yq;if MrphpaH Nrit> rPjhtf k. tp.- mtprhtis
nkhop jpUj;jk; - fyhepjp. V. vk;. K]hjpf;
rpNu~;l tphpTiuahsH> nkhul;Lit gy;fiyf;fofk;
fzpdp tbtikg;G - N[. MH. yq;fhGu
,yq;if MrphpaH Nrit
tpf;uk rPyh Nj. gh. - fphpcy;y
-MH. v];. vjphprpq;`
,yq;if Mrphpah; Nrit> khiw/ rpj;jhu;j;j tp.>ntypfk
ml;il tbtikg;G -MH. v];. vjphprpq;`
,yq;if Mrphpah; Nrit> khiw/ rpj;jhu;j;j tp.>ntypfk
nkhop ngaHg;G -vk;. vr;. vk;. ahf;$j;
gpujk nraw;jpl;l mjpfhhp ( Xa;T ngw;w )
Njrpa fy;tp epWtfk;
-v];. V. rP. vk;. fuhkj;
mjpgh; ( Xa;T ngw;w )
B. gp. [hah k.tp
- V. MH. vk;. vk;. eh]pk;
Mrphpa MNyhrfH - tpQ;Qhdk; ( Xa;T ngw;w )
fy;tpf; fhhpahyak;- khj;jiw
- fyhepjp. V. vk;. K]hjpf;
rpNu~;l tphpTiuahsH> nkhul;Lit gy;fiyf;fofk;
jkpo; fzpdp tbtikg;G vk;. vd;. vg;. e];`h
viii
cs;slf;fk;cs;slf;fk;cs;slf;fk;cs;slf;fk;cs;slf;fk;
1. njhopDl;gKk; mjd; tphpifAk; 1
2. mstPLk; mstPl;L cgfuzq;fSk; 6
3. njhopDl;gj;Jld; njhlHGila 19
ngsjpftpay;
4. njhopDl;gj;Jld; njhlHGila 90
,urhaztpay;
5. gjhHj;jq;fspd; gz;Gfs; 103
6 rf;jpia gaDWjpAs;sthW 109
gad;gLj;jJtH
7. njhlHghlYf;fhf jpl;lkpl;l 119
rpj;jpuq;fis gad;gLj;jy;
8 njhopDl;gj;Jld; nraw;ghLfSf;fhf 136
Fiwflj;jpfis gad;gLj;jy;
9. Rw;whly; Neaj;Jld; ,aw;if 153
tsq;fisg; gad;gLj;jy;
10 ghJfhg;Gk; ju epHzaKk; 161
11 njhopDl;gtpaypy; cr;r gaidg; 165
ngw Kaw;rpahsuhfr; nraw;gly;
1
1. njhopDl;gtpaYk; mjd; tsu;r;;rpAk;1. njhopDl;gtpaYk; mjd; tsu;r;;rpAk;1. njhopDl;gtpaYk; mjd; tsu;r;;rpAk;1. njhopDl;gtpaYk; mjd; tsu;r;;rpAk;1. njhopDl;gtpaYk; mjd; tsu;r;;rpAk;
$u;g;G vd;why; vd;d vd ePq;fs; Nfl;Lk; thrpj;Jk; mwpe;jpUg;gPu;fs;.
$u;g;gpd; NghJ epfOtJ Gtpapy; Muk;gj;jpy; ,Ue;j vy;yh #oy; epyikfSk;
gbg;gbahf khw;wkiljyhFk;. ,aw;ifapd; tpjpg;gb ,r;nraw;ghLfs; eilngw;wd.
ePz;l fhyj;jpw;Fg; gpd;du; Gtpapd; kPJ jhtuq;fSk; tpyq;FfSk; cUthfpd.
,t;thwhf tpyq;Ffs; gd;ndLq;fhykhf $u;g;gile;jjd; tpisthf kdpjd; vDk;
mw;Gj tpyq;F cUthfpaJ.
kdpjd; Njhw;wk; ngw;w gpd;du; ,aw;ifapd; tpjpfis kPwpr; nry;Yk;
Nghf;F Vw;gl;lJ. mjhtJ kdpjdpd; tpUg;G ntWg;Gf;fis <L nra;J nfhs;tjw;fhf
#oy; epiyikfis khw;wpaikf;Fk; eltbf;if Muk;gkhfpaJ. fw;fhy kdpjd;
cgNahfpj;j fy; MAjq;fs; Kjy; ,d;iwa etPd kdpjd; cgNahfpf;Fk; kpf
Ez;zpa ,yj;jpudpay; cgfuzq;fs;>tpz;ntspg;gazq;fs; tiu Vw;gl;l khw;wq;fs;
njhopDl;gtpaypd; tsu;r;rpapdhy; Vw;gl;litahFk;. ,jd;gb ,d;W ehk; gad;gLj;Jk;
cgfuzq;fs;> nghUl;fs;> nraw;ghLfs;> Nritfs; Nghd;w ahtw;WlDk;
njhopDl;gtpay; njhlu;Gw;Ws;sJ. NkYk; njhopDl;g tpUj;jp fhuzkhf ehk;
md;whlk; cgNahfpf;Fk; gy nghUl;fs; ehshe;jk; Nghl;b Nghl;L khw;wkile;J
tUfpd;wJ.
vkJ Fsq;fs;> fhy;tha;fs; Nghd;w ePu;g;ghrdq;fs; jNfhghf;fs;>
rPfpupah Nghd;w fw;Fd;Wfs; fUq;fw;fshyhd fl;Lkhdq;fs; Nghd;wtw;iw ePq;fs;
fz;bUg;gPu;fs;. ,tw;iw vkJ ehl;L gz;ila njhopDl;gj;jpd; gpukpf;fj;jf;f
epu;khzpg;Gf;fs; vdyhk;. mt;thwhd rpy fl;Lkhdq;fs; etPd njhopDl;gj;jpw;F
rthytplj;jf;fitahFk;.
Utd;ntyprhah> mgafpup Nghd;w ghupa jNfhghf;fspd; mbj;jsk;
mikj;jy;>mtw;wpd; tisitf;fzpj;jy; fl;Lkhdg; nghUl;fis NkNynfhz;L
nry;yy; Nghd;w nraw;ghLfSf;fhff; ifahz;l njhopDl;gKiwfs; ,d;Wk; Gupahj
Gjpu;fshfNt cs;sd.
gz;ila vfpg;jpa gpukpl;Lf;fs;> rPdg; ngUQ;Rtu; Nghd;witAk; ghupa
njhopDl;gjJf;F rhd;W gfUk; fl;Lkhdq;fshFk;. njhopDl;gr; nrad;Kiwapd;
ngWNgw;wpdhNy goq;fhyj;jpypUe;J ,d;W tiu vy;yh r%f #oy;fspYk; vy;yh
ehLfspYk; epUkhzpg;Gf;fs; gy cUthfpAs;sd.
Nkw;gb vy;yhj; Njhw;wg;;ghLfisAk; MuhAk; NghJ “njhopDl;gtpay;”
vd;gij gy;NtW tpjkhf tiutpyf;fzg;gLj;jyhk;.
♦ tsq;fisg; gad;jF Kiwapy; gad;gLj;Jk; rhjdk;
♦ nrad; Kiwfis gaDWjpAs;sthW Mw;Wk;; rhjdk;
♦ gz;ila nry;tr;nrspg;ig kPz;Lk; cUthf;Fk; rhjdk;
njhopDl;gr; nrad;Kiwfs; vg;NghJk; gbg;gbahfNt epfOk; my;yJ nra;ag;
gLk;. ,q;F gy tpQ;QhduPjpahd Nfhl;ghLfs;> Kiwapay;fs;> fUtpfs;>
cgfuzq;fs;> nghUl;fs;> Nghd;wdTk; Ml;fsspd; mwpT> jpwd;fs; MfpadTk;
gad;gLj;jg;gLk;. ,;t;thW nra;J Kbf;fg;gLk; epUkhzpg;Gf;fs; Gj;jhf;fq;fshfNth
Vw;fdNt ,Ug;gtw;wpd; GJikg;ghLfshfNth mikayhk;. ,jd; %yk; kdpjdpd;
xU NjitNah gy NjitfNsh epiwNtw;wg;glyhk;. ,q;F Fwpg;gplg;gLk; Njitfs;
trjpfis mjpfupf;fr; nra;jyhfNth> nrhFir mjpfupjjyhfNth> nryitf;
Fiwjj;jhfNth mikayhk;. vdpDk; rpy rpf;fyhd Ez;zpa nraw;ghLfs; fhuzkhf
nryT mjpfupf;f ,lKz;L.
2
njhopDl;gr; rhjd cw;gj;jp kw;Wk; gad;ghl;bd; nry;thf;F gy;tifg;gl;lJ.
r%fr; nry;thf;Fr%fr; nry;thf;Fr%fr; nry;thf;Fr%fr; nry;thf;Fr%fr; nry;thf;F
xU ehl;by; my;yJ xU gpuNjrj;jpy; thOk; kdpj r%fj;jpd; kPJ
njhopDl;gtpayhdJ gy;NtWtpjkhfr; nry;thf;F nrYj;Jk;. kdpjdpd; md;whl
eltbf;iffSk;; ngUksTf;F khw;wkilejtz;zKs;sd. njhopy; tha;g;Gf;fs;>
njhopypd; gy;tifik> murpay;Kiwikfs;> fy;tp Mfpad ,tw;Ws; mlq;Fk;.
cjhuzkhf fle;j fhyj;jpy; ghlrhiyf; fy;tp KiwikiaAk; ,d;iwa fy;tp
KiwikiaAk; xg;gpl;L Nehf;FNthk;. Muk;g fhy ghlrhiy khztu;fs; vOj
kzw;gyifia cgNahfpj;jdu;. mjhtJ fUepwg; gyifapy; nts;is epw kziyg;
gug;gp mjpy; tpuypdhy; vOjpdu;. mg;NghJ fU epwkhd vOj;Jf;fs; njupAk;.
fhyQ;nry;yr; nry;y fw;gyif> nfhg;gp> fUk;gyif Nghd;wd ghtidf;F te;jd.
mjd; gpd;du; nts;isg; gyif> gr;irg; gyif Mfpad eilKiwf;F te;jd
,d;W ngUk;ghYk; fzpdp> Nke;jiy vwpap (Over Head Projector)> gy; Clf vwpap
(Multi media) Nghd;wd tFg;giwapDs; ghtidf;F te;Js;sd.
nghUshjhu nry;thf;FnghUshjhu nry;thf;FnghUshjhu nry;thf;FnghUshjhu nry;thf;FnghUshjhu nry;thf;F
njhopDl;gtpay; nghUshjhu Kiwikfs; kPJfzprkhd jhf;fj;ij
vw;gLj;Jfpd;wJ. nghUshjhuk; vdg;gLtJ xU ehl;by; gzk; <l;Lk; kw;Wk;
nrytopf;Fk; Njhw;wg;ghLfis cs;slf;fpa nraw;ghLfshFk;. ,q;F vy;yh
tpjkhd ngsjPf kw;Wk; ,aw;if tsq;fSk; gq;fspf;Fk;. Nkw;gb tsq;fis
topg;gLj;jy;> gad;gLj;jy;> fl;Lg;gLj;jy; Mfpatw;Wf;fhfr; rupahd njhopDl;gj;ijg;
gad;gLj;Jk; NghJ ehl;bd; mgptpUj;jpr; nraw;ghl;by; Fwpg;gplf;$basT khw;wj;ij
mjhtJ Nkk;ghl;il Vw;gLj;j KbAk;. cjhuzkhf Milf;ifj;njhopiyf;
ftdpg;Nghk;. frpy jrhg;jq;fSf;FKd;du; ,yq;ifapy; Milf;ifj;njhopy; kpfTk;
gpd;dile;j epiyapy; fhzg;gl;lJ. Jzp nea;jy;> ijj;jy; Nghd;wtw;wpw;F vspa
El;g KiwfNs gad;gLj;jg;gl;ld. mg;nghwpfs; kdpj cly; ciog;gpd; %yNk
,af;fg;gl;ld. cw;gj;jpg; nghUl;fs; juk; Fiwe;jdthff; fhzg;gl;ld. cw;gj;jpf;F
mjpf fhyk; vLj;jJ. cw;gj;jp msTk; FiwthfNt ,Ue;jJ. vdpDk; ,d;W
,yq;ifapy; epWtg;gl;Ls;s njhopw;rhiyfspy; kpd;dpdhy; ,aq;Fk;; gy ,ae;jpuj;
njhFjpfs; Vffhyj;jpy; nraw;gLfpd;wd. mit kpfTk; rpf;fyhdit. Jupjkhfr;
nraw;gLgit. ngUk;ghYk; jhdhf ,aq;Fgit. MfNt juj;jpy; rpwe;j nghUl;fs;
gy xNu jlitapy; FWfpa fhyj;jpy; Fiwe;j ciog;gpy; cw;gj;jp nra;ag;gLk;.
mt;tifahd nghUl;fis tpw;gidnra;J ngUksT tUkhdj;ijAk; ,yhgj;ijAk;
ngwyhk;.
fyhrhuj; jhf;fq;fs;fyhrhuj; jhf;fq;fs;fyhrhuj; jhf;fq;fs;fyhrhuj; jhf;fq;fs;fyhrhuj; jhf;fq;fs;
fyhrhuk; vd;gJ xU gpuNjrj;Jf;F my;yJ ehl;bw;F cupa r%f
gof;f tof;fq;fs;> gz;Gfis cs;slf;fpa rkankhd;Wld; mbg;gilahff;
nfhz;lJk; MirfSld; gpize;j tho;f;iff; NfhykhFk;. r%fnkhd;wpd; fyhrhu
tho;f;iff; Nfhyj;jpd; kPJ njhoDl;gtpay; Neubahfr; nry;thf;Fr; nrYj;Jk;.
,q;F Milazpfsgad;ghL> rikay; Kiw> czTf; Nfhyq;fs;> fUj;Jg;
gupkhwy;fs;> tPl;Lg; ghtidg; nghUs;fs; Nghd;wit ,d;W ngUksT
khw;wkile;Js;sJ. ,jd;gb etPd cyfpd; ehLfSf;fpfilNa rkhe;jukhf
Kd;Ndhf;fpr; nry;Yk; my;yJ fyhrhuupjpf; fyg;Gk; ,lk; ngWfpd;wd. etPd
njhlu ;ghly; Jiwapy; fhzg;gLfpd;w nry;yplj;njhiyNgrp> fzpdp>
,izak;>kpd;dQ;ry; Nghd;wit fhuzkhf kdpjdpd; kdg;ghq;Ffs;>mwpT Jupjkhf
3
khw;wkile;J tUfpd;wd. ,t;thwhd khw;wk; fyhrhuj;jpd; kPJ ghupa jhf;fj;ij
Vw;gLj;Jfpd;wJ.
#oy; kPjhd jhf;fk;#oy; kPjhd jhf;fk;#oy; kPjhd jhf;fk;#oy; kPjhd jhf;fk;#oy; kPjhd jhf;fk;
Gtpapd; #oyhdJ jiu> tspkz;lyk;; fly; Mfpatw;whyhdJ. ,d;W
Nkw;gb %d;W #ow;njhFjpfs; kPJk; njhopDl;gk; ghupastpy; nry;thf;F
nrYj;Jfpd;wJ. ,jdhy; ,d;W tptrhak;> njhopDl;gk;> fl;Lkhdg; gzpfs;> ghijfs;>
Nghf;Ftuj;J> njhlu;ghly; Nghd;w gy;NtW Jiwfspy; ghupa mgptpUj;jp Vw;gl;L
tUfpd;wJ. ,jdhy; tsq;fs; > epyk; > ,ltrjp Mfpad Kiwahf
cgNahfg;gLj;jg;gl;L tUfpd;wd. ghupa jupR epyq;fs; FWfpa fhyj;jpy; tskhd
tpis epyq;fshf khw;wg;gl;L tUfpd;wd.
#oypd; moifg; Ngzf; $bathW Mf;fq;fSk; ,tw;wpilNa
eilngWfpd;wd. Nkw;gb vy;yhr; re;ju;g;gq;fspYk; njhopDl;gj;jpd; gq;fspg;G
mtrpakhFk;
NkNy Fwpg;gplg;gl;bUg;git njhopDl;gk; fhuzkhf Vw;gl;l
ew;gad;fshFk;. ,it nghUshjhu> fyhrhu> #oy; Mfpa Jiwfis
cs;slf;fpait. ,tw;iw mgptpUj;jp vdTk; Fwpg;gpLtu;.
vdpDk; ,q;F kw;nwhU gf;fKk; cs;sJ. njhopDl;gk; fhuzkhf
r%fj;jpw;Fk; nghUshjhu r%f fyhrhu #oyfSF;F ghjpg;Gf;fs; Vw;gLk;
re;ju;g;gq;fs; cs;sJ..
,d;W njhopDl;gk; #J> nfhs;is> topg;gwp> fsT> Nghijg; nghUs;
cw;gj;jp> Coy;> Raeyk; Nghd;wtw;Wf;fhfTk; gad;gLj;jg;gl;L tUfpd;wJ.
jkJ Njitf;F mjpfkhd ,yj;jpudpay; kw;Wk; kpd;rhu cgfuzq;fs;> fUtpfs;
Nghd;wtw;iw tPLfspy; itj;jpUf;Fk; ,;d;iwa kf;fs; mjd; jPikfisAk; mDgtpj;J
tUfpd;wdu;. ,J itj;jpUg; NghUf;F nghUshjhuuPjpapy; ghupa el;lj;ij Vw;gLj;jf;
$bajhFk;. ehl;Lf;F xt;thj gy;NtW mgptpUj;jp nraw;jpl ;lq;fis
eilKiwg;gLj;Jtjd; %yk; nghUshjhuuPjpapy; kl;Lkd;wp Vida JiwfspYk;
ghjpg;Gf;fs; Vw;glf;$Lk;.
,d;iwa kdpjd; ifalf;fj; njhiyNgrp> ,izak; Nghd;w etPd
trjpfis jtwhd topfspy; cgNahfpj;J gy;NtW tpisTfisg; ngWk; re;ju;g;gq;fs;
gythFk;.
etpd njhopDl;gj;jpd;gb cw;gj;jp nra;Ak; Gr;rp ehrpdpfs;> fisnfhy;ypfs;
ghd;w gy;NtW ,urhadg; nghUl;fisg; gad;gLj;Jtjhy; #oy; khriljYf;Ff;
fhuzkhFk; nghUl;fs; gy #oYld; ,izfpd;wd. ,J ,d;W jhtuq;fSf;Fk;
kdpjd; cl;gl Vida tpyq;FfSf;Fk; xU ghupa mr;RWj;jyhf cs;sJ. kdpjDf;F
tpgj;J Vw;gly;> Neha;fs; Vw;gly; Mfpad ,d;W ,t;thW Vw;gLk; ,lu;fshFk;.
,jd; gb njhopDl;gkhdJ rhjfkhd epyikfis kl;Lkd;wp ghjfkhd
epyikfis Vw;gLj;jTk; fhuzkhf cs;sJ.rptpy;> nghwpapay;> kpd;> ,yj;jpudpay;.
tptrha kUj;Jt njhlu;ghly; Jiwfs; vd gy;NtW Jiwfshf njhopDl;gj;ijg;
gpupj;Jf; fhl;lyhk;. Nkw;gb xt;nthU Jiwf;Fk; jdpj;JtkhdJk; ,ay;ghdJkhd
njhopDl;g Kiwapay;fs; cz;L.
fl;llj;Jiwapy;. jputpaq;fs;> jputpaq;fisj; jahu;gLj;jy;. fl;Lkhdq;fs;>
,ae;jpuq;fs;> cgfuzq;fs;> Nghf;Ftuj;J Mfpad rptpy; Jiwiar; rhu;e;j rpy
njhopDl;g nraw;ghLfshFk;. mt;thNw kUj;Jtj; Jiwapy; kUe;J tiffs;>
4
kUj;Jt cgfuzq;fs;> kUj;Jt Ma;Tfs;> rj;jpu rpfpr;ir> Nehahspfisf; fhtpr;
nry;yy; Nghd;wd kUj;Jtj; JiwAld; njhlu;Gila njhopDl;g nraw;ghLfSf;Fk;>
cgfuzq;fs;> Kiwapay;fs;> ,ae;jpuq;fs; Mfpad cz;L. Gjpa Mf;fq;fisr;
nra;Ak; NghJ Nkw;gb xU Jiwf;F Vw;w my;yJ rpy JiwfSf;Fg; nghUj;jkhd
Mf;fq;fs; epUkhzpf;fg;gLk;. vdpDk; fzpdp Nghd;w xU jdpr;rhjdk; Nkw;gb
vy;yhj; JiwfSf;Fk; nghU;jjkhdjhFk;.
njhopDl;gr; nraw;ghLfspd; NghJ Mf;fnkhd;W Nritnahd;W
nraw;jpl;lnkhd;W> Nghd;w nraw;ghLfspd; NghJ mtw;iw $basT ntw;wpfukhf;f
nghUj;jkhd Kiwapay;fs; gpd;gw;wg;gl Ntz;Lk;. ,q;F Muk;gk;> kj;jp> KbT
Mfpa gFjpfs; Kiwrhu;ghfTk;> xOq;fhfTk; elhj;Jtjd; %yk; ntw;wpfukhd
Mf;fnkhd;iw ngwyhk;. ,jid ntw;wpfukhf eilKiwg;gLj;j gpur;rpid jPu;f;Fk;
nraw;jpl;l tl;ljijg; gad;gLj;jyhk;.
,r;nrad;Kiw gy gbKiwfisf; nfhz;lJ. . . . . ,J Mf;fr; nrad;Kiw vdTk;
miof;fg;gLk;. ,r;\nrad;Kiwia gpd;tUkhW RUf;fkhfff; fhl;lyhk;..
gpur;rpidia ,zq;fhzy;gpur;rpidia ,zq;fhzy;gpur;rpidia ,zq;fhzy;gpur;rpidia ,zq;fhzy;gpur;rpidia ,zq;fhzy;
♦ jdf;F> r%fj;jpw;F> #oYf;F ghjpg;ig Vw;gLj;Jk; ve;j
xU gpur;rpidiaAk; Nju;e;njLf;fyhk;
gpur;rpidiag; gFj;jha;jygpur;rpidiag; gFj;jha;jygpur;rpidiag; gFj;jha;jygpur;rpidiag; gFj;jha;jygpur;rpidiag; gFj;jha;jy;
♦ gpur;rpidapd; jd;ik> nry;thf;F nrYj;Jk; Kiw>
tpisTfs; Mfpad gFj;jhag;gLk;
jPu;Tfis Kd;itj;jy;jPu;Tfis Kd;itj;jy;jPu;Tfis Kd;itj;jy;jPu;Tfis Kd;itj;jy;jPu;Tfis Kd;itj;jy;
♦ gpur;rpid jPu;Tf;fhf nghUj;jkhd jPu;Tfs; Kd;itf;fg;gly;
tptuf; $w;iw jahupj;jy;tptuf; $w;iw jahupj;jy;tptuf; $w;iw jahupj;jy;tptuf; $w;iw jahupj;jy;tptuf; $w;iw jahupj;jy;
♦ nra;Ak; Mf;fk; njhlu;ghdjhf mjpy; fhzg;gl Ntz;ba
tpN~l gz;Gfis Fwpg;gply; Ntz;Lk;.
juTfs;> tplaq;fs; Nghd;wtw;iw Njly;juTfs;> tplaq;fs; Nghd;wtw;iw Njly;juTfs;> tplaq;fs; Nghd;wtw;iw Njly;juTfs;> tplaq;fs; Nghd;wtw;iw Njly;juTfs;> tplaq;fs; Nghd;wtw;iw Njly;
♦ gpur;rpidf;Nfw;w Kd; jPu;Tfs;> gpur;rpid njhlu;ghd
fUj;Jf;fs; fye;Jiuahly;fs; Nghd;wit ,q;F
cs;slf;fg;gLk;
1
2
Mf;fj;jpd; RUf;fk;Mf;fj;jpd; RUf;fk;Mf;fj;jpd; RUf;fk;Mf;fj;jpd; RUf;fk;Mf;fj;jpd; RUf;fk;
♦ nra;a Ntz;ba Mf;fj;jpd; jd;ik gw;wpa fUj;J
njuptpf;fg;gLk;.
3
4
5
6
kpfTk; nghUj;jkhd MNyhridiaj; Nju;e;njLj;jy;kpfTk; nghUj;jkhd MNyhridiaj; Nju;e;njLj;jy;kpfTk; nghUj;jkhd MNyhridiaj; Nju;e;njLj;jy;kpfTk; nghUj;jkhd MNyhridiaj; Nju;e;njLj;jy;kpfTk; nghUj;jkhd MNyhridiaj; Nju;e;njLj;jy;
♦ Nkw;gb jPu;TfSs; tptuf;$w;wpd; Clhf kpfTk;
nghUj;jkhd jPu;itj; Nju;e;njLj;jy;
7
5
gpur;rpidnahd;iwj; jPu;f;Fk; NghJ gpd;gw;wg;gl Ntz;ba Kiwrhu;e;j gbKiwfs;
NkNy tpupthf;fg;gl;Ls;sd. ,jidg; gpur;rpid jPu;f;Fk; NghJ khj;jpuky;yhJ
tho;tpd; md;whl gpur;rpidfspd; NghJk; gad;gLj;jyhk;. ,jd; %yk; Nkw;gb
Ntiyia kpfTk; ntw;wpfukhf epiwNtw;wyhk;. Nkw;gb gbKiwapd; NghJ ve;j
xU ,lj;jpypUe;Jk; Muk;gpf;f KbAk;. xU gbKiwapypUe;J ve;j xU gbf;Fk;
nry;yTk; KbAk;. vg;NghJk; xOq;fpy; nry;tJ mtrpaky;y. vdpDk; Ntiyapd;
Kbtpy; gbKiwfSf;fpilNa njhlu;ig Ngzg;glf;$bathW mwpf;if
jahupf;fg;glNtz;Lk;.
nraw;wpl;l mwpf;if jahupj;jy;nraw;wpl;l mwpf;if jahupj;jy;nraw;wpl;l mwpf;if jahupj;jy;nraw;wpl;l mwpf;if jahupj;jy;nraw;wpl;l mwpf;if jahupj;jy;
♦ Nkw;gb gbKiwfis cs;slf;fpa tpupthd mwpf;ifiaj;
jahupj;jy;.
jPu;g;gpd; nghUj;jg;ghl;il Njbg; ghu;j;jYk; kjpg;gplYk;jPu;g;gpd; nghUj;jg;ghl;il Njbg; ghu;j;jYk; kjpg;gplYk;jPu;g;gpd; nghUj;jg;ghl;il Njbg; ghu;j;jYk; kjpg;gplYk;jPu;g;gpd; nghUj;jg;ghl;il Njbg; ghu;j;jYk; kjpg;gplYk;jPu;g;gpd; nghUj;jg;ghl;il Njbg; ghu;j;jYk; kjpg;gplYk;
♦ ,jd; %yk; mj;jPu;tpd; eypTfis ,dq;fz;L mtw;iwj;
jpUj;jpf; nfhs;syhk;.
Nju ;e ;njLj;j jPu ;tpd; khjpu pia my;yJ cz;ikahdNju ;e ;njLj;j jPu ;tpd; khjpu pia my;yJ cz;ikahdNju ;e ;njLj;j jPu ;tpd; khjpu pia my;yJ cz;ikahdNju ;e ;njLj;j jPu ;tpd; khjpu pia my;yJ cz;ikahdNju ;e ;njLj;j jPu ;tpd; khjpu pia my;yJ cz;ikahd
Mf;fj;ijg; guPl;rhu;j;jkhfg; gad;gLj;jpg; ghu;j;jy;Mf;fj;ijg; guPl;rhu;j;jkhfg; gad;gLj;jpg; ghu;j;jy;Mf;fj;ijg; guPl;rhu;j;jkhfg; gad;gLj;jpg; ghu;j;jy;Mf;fj;ijg; guPl;rhu;j;jkhfg; gad;gLj;jpg; ghu;j;jy;Mf;fj;ijg; guPl;rhu;j;jkhfg; gad;gLj;jpg; ghu;j;jy;
Ntiy gbtq;fisAk; jpl;lq;fisAk; Fwpj;Jf; nfhs;sy;.Ntiy gbtq;fisAk; jpl;lq;fisAk; Fwpj;Jf; nfhs;sy;.Ntiy gbtq;fisAk; jpl;lq;fisAk; Fwpj;Jf; nfhs;sy;.Ntiy gbtq;fisAk; jpl;lq;fisAk; Fwpj;Jf; nfhs;sy;.Ntiy gbtq;fisAk; jpl;lq;fisAk; Fwpj;Jf; nfhs;sy;.
♦ kpfTk; nghUj;jkhd jPu;it tpsf;fkhfr; rku;g;gpj;jy;
11
8
9
10
6
2. mstPLk; mstPl;L cgfuzq;fSk;.2. mstPLk; mstPl;L cgfuzq;fSk;.2. mstPLk; mstPl;L cgfuzq;fSk;.2. mstPLk; mstPl;L cgfuzq;fSk;.2. mstPLk; mstPl;L cgfuzq;fSk;.
epak myFfs;epak myFfs;epak myFfs;epak myFfs;epak myFfs;
fpwp];JTf;F Kd; 4000 Mz;LfSf;F Kw;gl;l fhyjjpy; epWg;gjw;Fk;
msg;gjw;Fk; Vw;Wf;nfhs;sg;gl;l myFfisg; gadgLj;j kdpjd; Kide;Js;shd;.
,f;fhyfl;lj;jpy; vfpg;jpy; kjtopghl;blq;fspy; fhzg;gl;l jq;fj;jpdhyhd
topghl;Lg; nghUs;fspd; epiwia epWg;gjw;F ];Nlhd; ntapl;(Stone weight) vd;W
miof;fg;gl;l epWf;Fk; myFfs; gad;gLj;jg;gl;ld.
vfpg;jpy; thoe;j ghuhNth vDk; murdpd; Koq;ifapypUe;J eLtpuypd; Edp
tiuapyhd ePsk; fpAgpl;(Kubit) myF vd epakkhf;fg;gl;L me;j myF ePsj;ij
mstplg; gad;gLj;jg;gg;gl;lJ.
fpwp];JTf;F Kd; 500 mstpy; fpuPrpYk;> NuhkhGupaapYk; Juj;ij mstpl
iky; (Mile) vDk; myF gad;gLj;jg;gl;Ls;sJ. ,e;j iky; vDk; myF ehk;
Juj;ij mstplg; gad;gLj;Jk; iky; vDk; myfpw;F ngupJk; rkkhdjhFk;.
Kw;fhyj;jpy; ,yq;ifapd Mjpthrpfs; jkJ clk;gpy; fhzg;gLk; gy
cWg;Gf;fspd; ePsj;jij mstPl;;L myFfshfg; gad;gLj;jpAs;sdu;. tsu;e;j xU
kdpjdpd; if tpuy;fs; ePl;lg;gl;l epiyapy; ngUtpuypd; EdpapypUe;J rpW tpuypd;
Edptiuahd Juk; xU rhz; vdTk; > Koq;ifapypUe;J eLtpuypd; Edptiuahd
Juk; Kok; vdTk;> ,uz;L iffSk; tpue;J ePl;lg;gl;l epiyapy cs;s KOj;
JuKk; xU ghfk; vdTk; Vw;Wf; nfhs;sg;gl;bUe;jJ.
etPd fhyj;jpy; gad;gLj;jg;gLk; Kok; > ghfk; vd;gd Nkw;Fwpg;gpl;l
myFfSf;F mz;zstpy; rkkhdjhFk;.
jputq;fis mstpl ,Ucs;sq;iffspYk; epug;gg;gl;l msT “ifasT”
vd Vw;Wg;nghs;sg;gl;bUe;jJ.
,t;thW tsu;r;rpaile;J te;j epWf;Fk;> msf;Fk; myFfs; gpw;fhyj;jpy;
gpupj;jhdpahit mbg;gilahff; nfhz;L gpupj;jhdpa msTj;jpl;lk; vdTk; gpuhd;ir
mbg;gilahff; nfhz;L kPw;wu;(nkl;upf;) myFfs; vdTk; cyfj;jpw;F Kd;
itf;fg;gl;lJ.
gpupj;jhdpa epak myFfs;.gpupj;jhdpa epak myFfs;.gpupj;jhdpa epak myFfs;.gpupj;jhdpa epak myFfs;.gpupj;jhdpa epak myFfs;.
fzpak;fzpak;fzpak;fzpak;fzpak; myFfs;.myFfs;.myFfs;.myFfs;.myFfs;.
ePsk; mb (mq;Fyk;> mb> ahu;> rq;fpyp> iky;.)
epiw ,whj;jy;(mTd;R> me;ju;> njhd;.)
Neuk; nrf;fd;(epkplk;> kzp> ehs;> tUlk;)
fdtsT Nghj;jy;(ige;J> Nghj;jy;> fyd;)
ntg;gepiy guidw;W
tpir mb ,whj;jy; epiw my;yJ FjpiutY
mKf;fk; rJu mq;Fyj;jpw;F ,whj;jy; epiw
fjp kzpf;F iky;.
7
nkl;upf; myFfs;.nkl;upf; myFfs;.nkl;upf; myFfs;.nkl;upf; myFfs;.nkl;upf; myFfs;.
1970 Mk; Mz;L gpuhd;rpy; nkl;upf; Kiw rpghupR nra;ag;gl;lJ. nkl;upf;
Kiwapy; ePsj;jpd; epak myF kPw;wu; MtNjhL tlKidtpypUe;J gpuhd;rpd;
ghup]; efuj;jpd; Clhf kj;jpa Nfhl;bw;F tiuag;gLk; Neu;Nfhl;bd;
Nfhbapd; xU gq;F vd kPw;wu; tiuaWf;fg;gl;lJ.(1/10>000>000)
1889 Mk; Mz;L Kjyhtjhff; $ba epiwAk; mstPLk; gw;wpa
ru;tNjr rk;Nksdk; (CGPM) kPw;wiu kPz;Lk; tiuaWj;jJ. mj;Jld; mJ
ru;tNjr kPw;wu; vdTk; miof;fg;gl;lJ. kPw;wupdJk; fpNyhfpuhkpdJk;
mbg;gil khjpupfs; cwgj;jp nra;ag;gl;L mit gpuhd;rpd; ghup]; efuj;jpy;
mikf;fg;gl;Ls;s epiw mstPL gw;wpa ru;tNjr fhupahyaj;jpy; ghJfhg;ghf
itf;fg;gl;lJ.
1927Mk; Mz;L eilngw;w epiw mstPL gw;wpa ru;tNjr rk;Nksdj;jpy;
kPw;wu; kPz;Lk; tiuaWf;fg;gl;lJ. ,e;j Kiw mJ flkpaj;jpd; rptg;G xspapd;
miyfspd; ePsj;ij mbg;gilahff; nfhz;bUe;jjJ.
ru;tNjr myF Kiw (ru;tNjr myF Kiw (ru;tNjr myF Kiw (ru;tNjr myF Kiw (ru;tNjr myF Kiw (SI myFfs;) myFfs;) myFfs;) myFfs;) myFfs;)
1960 ,y; ,uz;lhk; Kiwahf $ba epiwAk; mstPLk; gw;wpa ru;tNjr
rk;Nksdk; kPz;Lk; kPw;wiu tiuaWj;jJ. mJ fpupj;jd; 86 mZtpd; %yk; fhyg;
gLk; fjpu;tPr;R miyapd; miyePsj;jpd; mbg;gilapy; jPu;khdpf;fg;gl;lJ.
NkYk; me;j rk;Nksdj;jpdhy; ru;tNjr myF Kiw vdg;gLk; SI myF Kiw
Kd; itf;fg;gl;lJ>
SI myF Kiw vdg;gLtJ gad;gLj;jg;gl;l kPw;wu; Kiwapidj; njspthf;fp
Gjpa myFfisf; $wp kpfr;rpwe;j Kiwapyhd rl;l jpl;lq;fSld; jhgpf;fg;gl;l
Xu; myF Kiw xd;whFk;.
1983 ,y; 17 MtJ KiwahfTk; $ba epiw msT gw;wpa ru;tNjr
rk;Nksdk; kPw;wiu khj;jpuk; kPz;Lk; tiuaWj;jJ. xU Fwpg;gpl;l Neuj;jpDs;
ntw;wplj;jpy; xsp nry;Yk; Juk; vd mJ tiuaWf;fg;gl;lJ.
,d;W cyfk; KOJk; gpugy;akile;Js;s SI myF Kiwapy; mstpl Ntz;ba
vy;yhf; fzpaq;fisAk; mstpLtjw;Fj; Njitahd myFfs; cl;gLj;jg;
;gl;Ls;sJld; mtw;iwg; gad;gLj;JjYk; kpfTk; ,yFthFk;.
1974Mk; Mz;L 24Mk; ,yf;f epiw mstPl;L (jpUj;j)rl;lj;jpd; %yk;
,yq;ifapYk; mstPL njhlu;ghd vy;yh NtiyfSk; SI myFfisg;gad;
gLj;jpNa nra;a Ntz;Lk; vdr; RpghupR nra;ag;gl;Ls;sJ.
ru;tNjr myF Kiw (ru;tNjr myF Kiw (ru;tNjr myF Kiw (ru;tNjr myF Kiw (ru;tNjr myF Kiw (International System of Units)
,jd; fPo; gad;gLj;jg;gLk; myFfs; gpujhdkhff 4 njhFjpfSs;
mlf;fg;gl;Ls;sd.
1. mbg;gil myFfs; (Basic Units)
2. kpif epug;G myFfs;.(Supplementary Units)
3. ngw;w myFfs; (Derived Units)
4. klq;F myFfs;.(Multiple Units)
8
mbg;gil myFfs;.mbg;gil myFfs;.mbg;gil myFfs;.mbg;gil myFfs;.mbg;gil myFfs;.
mbg;gil myFfshf VO myFfs; mwpKfg;gLj;jg;gl;Ls;sd. mit
fPo;tUkhW.
ngsjpff;fzpak;ngsjpff;fzpak;ngsjpff;fzpak;ngsjpff;fzpak;ngsjpff;fzpak; SI myF myF myF myF myF epakf;FwpaPL epakf;FwpaPL epakf;FwpaPL epakf;FwpaPL epakf;FwpaPL Mq;fpyj;jpy Mq;fpyj;jpy Mq;fpyj;jpy Mq;fpyj;jpy Mq;fpyj;jpy;
myF myF myF myF myF
ePsk; kPw;wu; m meter
jpzpT fpNyhfpuhk; kg kilogram
Neuk; nrf;fd; s second
ntg;gepiy nfy;tpd; K Kelvin
kpd;Ndhl;lk; mk;gpau; A Ampere
xspr;nrwpT fz;nlyh cd candela
jputpa msT %y; mol mole
kpif epug;G myFfs;kpif epug;G myFfs;kpif epug;G myFfs;kpif epug;G myFfs;kpif epug;G myFfs;
SI Kiwapy; ,uz;L kpif epug;G myFfs; fhzg;gLfpd;wd. ,it
Nfj;jpu fzpj Kiwapy; tpsf;fg;gLk;.
ngsjpff; fzpak;ngsjpff; fzpak;ngsjpff; fzpak;ngsjpff; fzpak;ngsjpff; fzpak; SI myF myF myF myF myF epakf; FwpaPL epakf; FwpaPL epakf; FwpaPL epakf; FwpaPL epakf; FwpaPL Mq;fpyj;jpy; Mq;fpyj;jpy; Mq;fpyj;jpy; Mq;fpyj;jpy; Mq;fpyj;jpy;
myF myF myF myF myF
jsf;Nfhzk; Miuad; rad radian
jpz;kf;Nfhzk; jpz;kthiuad; Sr Steradian
ngw;w myFfs;.ngw;w myFfs;.ngw;w myFfs;.ngw;w myFfs;.ngw;w myFfs;.
mbg;gil myFfisAk; kpif epug;G myFfisAk; ftdj;jpy; nfhz;L
ngw;w myFfs; mwpKfg;gLj;jg;gl;Ls;sd. mjpf vz;zpf;ifiaf; nfhz;l
ngw;w myFfspd; rpytw;wpw;F tpNrl ngau;fs; fhzg;gLtNjhL mit tpNrl
ngau; nfhz;l SI ngw;w myFfs; vdTk; miof;fg;gLfpd;wd.
ngsjpff; fzpak;ngsjpff; fzpak;ngsjpff; fzpak;ngsjpff; fzpak;ngsjpff; fzpak; SI myF epakf;FwpaPL myF( myF epakf;FwpaPL myF( myF epakf;FwpaPL myF( myF epakf;FwpaPL myF( myF epakf;FwpaPL myF(Mq;fpyj;jpy;)Mq;fpyj;jpy;)Mq;fpyj;jpy;)Mq;fpyj;jpy;)Mq;fpyj;jpy;)
1. kPbwd; N`w;]; Hz Hertz
2. tpir epAw;wd; N Newton
3 mKf;fKk;>jifg;Gk; g];fhy; Pa Pascal
4. rf;jp>Ntiy>ntg;gmsT A+y; J Joule
5. tY thw;W W Watt
6. kpd; Vw;wk; $Nyhk; C Coulomb
7. kpd; mOj;jk; Nthy;w;W V Volt
8. nfhs;ssT gul;L F Farad
9. kpd;jil Xk; Ω Ohm
10. kpd;flj;jhW rpkd; S Siemend
11. fhe;jg;ghak; Ntgu; Wb Weber
12. fhe;jg;gha mlu;j;jp nu];yh T Tesla
13. fhe;jj;Jz;ly; n`d;wp H Henry
14. xspg;ghak; Ykd; Lm Luman
15 xspu;g;G ,yf;R Lx Lux
9
16. fjpu;j; njhopw;ghL ngf;nfwy; Bq Becqueral
$l;Lg;ngau;fSld; $ba $l;Lg;ngau;fSld; $ba $l;Lg;ngau;fSld; $ba $l;Lg;ngau;fSld; $ba $l;Lg;ngau;fSld; $ba SI ngw;w myFfs;. ngw;w myFfs;. ngw;w myFfs;. ngw;w myFfs;. ngw;w myFfs;.
tpNrl ngau; ,y;yhj myFfs; $l;Lg;ngau;fSld; $ba ngw;w
myFfs; vd miof;fg;gLk;.
fzpak; fzpak; fzpak; fzpak; fzpak; SI myFKiwmyFKiwmyFKiwmyFKiwmyFKiw epakf; FwpaPLepakf; FwpaPLepakf; FwpaPLepakf; FwpaPLepakf; FwpaPL
fdtsT fdkPw;wu; m3
gug;G rJukPw;wu; m2
Neu;Nfhl;LNtfk; nrf;fDf;F kPw;wu; ms-1
mlu;j;jp fdkPw;wUf;FfpNyhfpuhk;. kgm-3
gpRf;Fik g];fhy; nrf;fd; Pas
KWf;fk; epAw;wd; kPw;wu; Nm
tpirj;jpUg;gk; epAw;wd; kPw;wu; Nm
jilj;jpwd; Xk; kPw;wu; Ωm
kpd;flj;jhW kPw;wUf;F rpkd; Sm-1
ntg;gf;nfhs;ssT nfy;tpDf;F A+y; JK-1
ntg;gf;flj;jhW kPw;wUf;F nfy;;tpdpw;Fthw;W WK-1m-1
myFfspd; klq;FfSk; cgklq;FfSk;myFfspd; klq;FfSk; cgklq;FfSk;myFfspd; klq;FfSk; cgklq;FfSk;myFfspd; klq;FfSk; cgklq;FfSk;myFfspd; klq;FfSk; cgklq;FfSk;
SI myFfspd; klq;FfisAk; > cg klq;FfisAk; Mf;Ftjw;F Vw;w rl;l
jpl;lq;fs; fhzg;gLfpd;wd. epak myfpd; ngaupw;F Kw;Nru;f;ifiar;(Prefix) Nru;g;gjd;
%yk; myFfs; Mf;fg;glyhk;.
Kw;Nru;f;if Kw;Nru;f;if Kw;Nru;f;if Kw;Nru;f;if Kw;Nru;f;if vz;ngWkhdk;vz;ngWkhdk;vz;ngWkhdk;vz;ngWkhdk;vz;ngWkhdk; FwpaPL FwpaPL FwpaPL FwpaPL FwpaPL
nluh(Tera) 1012 T
fpfh(Giga) 109 G
nkfh 106 M
fpNyh 103 k
n`f;lh 102 h
nlfh 101 da
nlrp 10-1 d
nrd;wp 10-2 c
kpy;yp 10-3 m
ikf;fpNuh 10-6 µneNdh 10-9 n
gpNfh 10-12 p
myFfs; gad;gLj;jg;gLk; NghJ ftdj;jpy; nfhs;s Ntz;baitmyFfs; gad;gLj;jg;gLk; NghJ ftdj;jpy; nfhs;s Ntz;baitmyFfs; gad;gLj;jg;gLk; NghJ ftdj;jpy; nfhs;s Ntz;baitmyFfs; gad;gLj;jg;gLk; NghJ ftdj;jpy; nfhs;s Ntz;baitmyFfs; gad;gLj;jg;gLk; NghJ ftdj;jpy; nfhs;s Ntz;bait
♦ VjhtJ xU ngsjPff; fzpaj;ij mstpLtjw;F chpa myifAk;>
mjd; klq;Ffs;> cg klq;Ffs; vd;gtw;iwAk; khj;jpuk; gad;gLj;;j
Ntz;Lk;.
♦ gad;gLk; re;jHg;gq;fs; xUikahapDk; gd;ikahapDk; myFfs;
epakf; FwpaPLfs; %yNk Fwpf;fg;;gly; Ntz;Lk;
cjhuzkhf: 1 kg, 5 kg, 8 V, 6 A Nghd;wthW md;wp 5 kgs, 8 Vs,
6As vd vOjg;gly; $lhJ.
♦ xUthpd; ngahpd; mbg;gilapy; ngahplg;gl;Ls;s myFfs; jtpHe;j
kw;iwa vy;yh FwpaPLfSf;Fk; Mq;fpyr;rpwpa vOj;J gad;gLj;jg;gly;
Ntz;Lk;. xUthpd; ngaUld; $ba FwpaPLfsp;y; khj;jpuk; Kjy; vOj;J
10
Mq;fpy nghpa vOj;Jf;fshy; Fwpf;fg;gLk;.
cjhuzk; nghpa vOj;Jf;fshy; Muk;gpf;fg;gLk; myFfs;
mk;gpaH A, epAw;wd; N > nfy;tpd; K > thw;W W
rpwpa vOj;Jf;fshy; Fwpf;fg;gLk; myFfs;
kPw;wH m > fpNyhfpuhk; kg> > > > > nrf;fd; s> > > > > %y; mol
♦ myFfspd; FwpaPLfis vz;ngWkhdj;jpw;F gpwNf gad;gLj;jg;gly;
Ntz;Lk;. mj;Jld; FwpaPL ngWkhdj;jpypUe;J rpwpJ js;sp Fwpf;fg;gly;
Ntz;Lk;. cjhuzk;-
5 m > 10 s
♦ gj;J ,yl;rj;jpw;Fk; Nkw;gl;l fzpak; xd;iwf; Fwpg;gjw;fhd
Kd;NrH;f;iffSf;fhd FwpaPLfs; nghpa vOj;Jf;fshy; Fwpf;fg;gly;
Ntz;Lk ; . mijtpl Fiwe ;j fzpaq ;fisf ; Fw pg ;gjw ;F
gad;gLj;jg;gLgit rpwpa vOj;Jf;fshy; Fwpf;fg;gLk;.
nkfh 106 M fpNyh 103 k fpfh 109 G
kpy;yp 10-3 m nluh 1012 T
♦ myfpd; FwpaPl;Lld; Kw;NrHf;if gad;gLj;jg;gl Ntz;ba NghJ vz;
ngWkhdk; 0.1 ,w;Fk; 1000 ,w;Fk; ,ilapy; fhzg;glf; $bajhf
vOjg;gly; Ntz;Lk;
cjhuzk;
300 kw vd;gij 300 000 w vd vOJtJ nghUj;jkhdjy;y.
0.1 mm vd;gij 0.01 cm vd vOJtJ nghUj;jkhdjy;y.
ngsjPff; fzpaq;fspd; ghpkhzq;fs;ngsjPff; fzpaq;fspd; ghpkhzq;fs;ngsjPff; fzpaq;fspd; ghpkhzq;fs;ngsjPff; fzpaq;fspd; ghpkhzq;fs;ngsjPff; fzpaq;fspd; ghpkhzq;fs;
ngsjPff; fzpaq;fs; mbg;gilf; fzpaq;fSld; njhlHG
gLj;jg;gLk; tpjk; ghpkhzq;fs; %yk; fhl;lg;gLfpd;wd. nghwpapay; fw;Fk;
NghJ re;jpf;Fk; gy;;NtW fzpaq;fisf; Fwpg;gjw;F ePsk;> jpzpT> Neuk; Nghd;w
mbg;gilf; fzpaq;fs; %d;W khj;jpuk; NghJkhdJ.
,e;j mbg;gilf; fzpaq;fisf; Fwpg;gjw;fhf tpNrl FwpaPL xd;W
gad;gLj;jg;gLfpwJ.
jpzpT - M ePsk; - L Neuk;- T
,q;F xU fzpak; tiutpyf;fzg;gLj;Jtij mbg;gilahff; nfhz;L fPo; tUk;
cjhuzq;fspy; ghpkhzq;fs; toq;fg;gl;Ls;sd. ghpkhzq;fs; Fwpg;gplg;gLk;
NghJ mf;fzpak; milg;Gf;Fs; Fwpf;fg;gLk;.
1) gug;G = ePsk; x mfyk;
[gug;G] = L x L
= L2
Juk; kPw;whpy; mstplg;gLk; NghJ gug;gpd; myF = m2 MFk;.
2) fdtsT = ePsk; x mfyk; x cauk;
[fdtsT] = L x L x L
= L3
Juk; kPw;whpy; mstplg;gl;lhy; fdtstpd; myF = m3 MFk;.
11
3)
[mlHj;jp] = M / L3
= ML-3
jpzpT kg ,Yk; Juk; m ,Yk; mstplg;gl;lhy; mlHj;jpapd; myF kgm-3
4)
[Ntfk;] = L / T
= LT-1
,lg;ngaH;r;rp m ,Yk;; Neuk; s ,Yk;; mstplg;gl;lhy; Ntfj;jpd; myF
; ms-1 MFk;.
5)
[MHKLfy;] = LT-1 / T
= LT-2
MHKLfypd; myF = ms-2
6) tpir = jpzpT x MHKLfy;
[tpir] = M x LT-2
= M LT-2
tpirapd; myF = kgms-2
7)
= LT-1 /LT-1
KwpTr; Rl;bf;F myfpy;iy.
Nkw;Fwpg;gpl;l SI myFfspw;F Nkyjpfkhf ePsj;ij kpfj; jpUj;jkhf mstpl
ikf;Nuhikf;Nuhikf;Nuhikf;Nuhikf;Nuh vDk; myFk; gad;gLj;jg;gLfpwJ.
1 ikf;Nuh = 1/1000 mm = 0.001 mm MFk;
mlh;j;jp =jpzpT
fdtsT
Ntfk; =
,lg;ngaHr;rp
Neuk;
MHKLfy; =Ntfkhw;wk;
Neuk;
,
KwpTr; Rl;b =
Clfj;jpy; xspapd; Ntfk;
tspapy; xspapd; Ntfk;
12
rpy gpupj;jhdpa myFfspw;Fk;> rpy gpupj;jhdpa myFfspw;Fk;> rpy gpupj;jhdpa myFfspw;Fk;> rpy gpupj;jhdpa myFfspw;Fk;> rpy gpupj;jhdpa myFfspw;Fk;> SI myFfspw;Fk; ,ilapyhd njhlHG myFfspw;Fk; ,ilapyhd njhlHG myFfspw;Fk; ,ilapyhd njhlHG myFfspw;Fk; ,ilapyhd njhlHG myFfspw;Fk; ,ilapyhd njhlHG
gpupj;jhdpa myFgpupj;jhdpa myFgpupj;jhdpa myFgpupj;jhdpa myFgpupj;jhdpa myF SI myF myF myF myF myF
ePsk; 1 mq;Fyk; = 2.54 cm
1 ahH = 0.91 m
1 iky; = 1.609 km
5 iky; = 8 km (Vwj;jhs)
gug;G 1 rJu mq;Fyk; = 6.452 cm2
1 rJu ahH = 0.8361 m2
1 Vf;fH = 4046.7 m2
jpzpT 1 mTd;R = 28.35 g
1 ,whj;jy; = 0.4535 kg
1 njhd; = 1016 kg
fdtsT 1 fd mq;Fyk; = 16.39 cm3
1 fd mb = 28.32 l
1 fyd; = 4.54 l
13
mstPl;L cgfuzq;fs;mstPl;L cgfuzq;fs;mstPl;L cgfuzq;fs;mstPl;L cgfuzq;fs;mstPl;L cgfuzq;fs; mstPl;L cgfuzq;fis cgNahfpf;Fk; NghJ gpd;gw;w Ntz;bad:
♦ Njitahd cgfuzq;fisj; njupT nra;jy;> mstPL xd;iwg;ngWtjw;F
Kd; mstPL ngw Ntz;ba Ntiyapd; tbtk;> mstPL ngwNtz;bajd;
Kf;fpaj;Jtk;> mstPl;bd; nrk;ik Nghd;wtw;wpw;F Vw;wwthW mstPl;L
cgfuzk; njupT nra;ag;gly; Ntz;Lk;.
♦ mstPl;ilg; ngw Kd; Ntiyg;gFjpapy; fhzg;gLk; vz;nza;>fpuPR>JU
vd;gd mfw;wg;gl Ntz;Lk;.
♦ Ntiyg; gFjpapy; ,ae;jpuq;fs; ghtpf;fg;gl;lhy; mJ ntg;gkilaf;$Lk;.
vdNt Ntiyg; gFjp tpuptiljYf;Fl;gLtjhy; mstPLfs; NtWgLk;.
vdNt mstPLfs; ngwg;gLk; NghJ Ntiyg; gFjp miw ntg;g epiyf;F
Fspu;tile;jpUj;jy; Ntz;Lk;.
♦ filry;; gl;lilfs; my;yJ NtW ,ae;jpuq;fs; RoYk; NghJ mtw;wpd;
mstPLfs; ngwhky; Ntiyg; gFjpapd; Row;rp Xa;tpw;F te;jjd;gpd;
mstPLfs; ngwg;gly; Ntz;Lk;.
♦ mstPL ngwg;gLk; NghJ mstPl;L cgfuzj;jpdhy; Ntiyg; gFjp
kPJ cijg;G Vw;gLtijj; jtpu;j;Jf; nfhs;sy; Ntz;Lk;. mt;thW
cijg;G Vw;gLj;jg;gl;lhy; mstPl;bd; nrk;ik mw;Wg; NghFk;.
♦ mstPl;L cgfuzj;ijg; ghtpf;Fk; NghJ thrpg;G fz;kl;lj;jpy; ,Uj;jy;
Ntz;Lk;.
♦ mstPl;ilg; ngw Kd; cgfuzk; G+r;rpaj;jpy; cs;sjh vd fUtpiag;
guprPypf;f Ntz;Lk;. nrg;gQ; nra;af;$ba fUtpfspy; G+r;rpaj;jpw;F nrg;gQ;
nra;J mstPl;ilg; ngwy; Ntz;Lk;. nrg;gQ; nra;a Kbahj fUtpfspy;
tOitr; NrHj;J my;yJ fopj;J jpUj;jkhd mstPl;ilg; ngwy; Ntz;Lk;.
mstPl;L cgfuzq;fisg; guhkupj;jypd; NghJ gpd;tUk; tplaq;fisf; ftdj;jpw;
nfhs;s Ntz;Lk;.
♦ mstPl;L cgfuzq;fis kw;iwa cgfuzq;fspypUe;J Ntwhf;fp itj;Jf;
nfhs;s Ntz;Lk;.
♦ ,tw;wpd; mstPLfs; mopahkYk; Rj;jkhfTk; itj;jpUg;gjw;F Rj;jkhd
Jzpj; Jz;bd; Nky; itj;Jf; nfhs;s Ntz;Lk;.
♦ mstPl;L cgfuzq;fs; fPNo tpohjthWk; xd;Wld; xd;W NkhjhjthWk;
ghJfhj;jy; Ntz;Lk;.
♦ cau; ntg;g epiyapypUe;Jk; FspupypUe;Jk; Ez; mstPl;Lf; fUtpfs;
ghJfhf;fg;gly; Ntz;Lk;.
♦ JUg;gpbf;fj;jf;f cgfuzq;fshapd; ghtpj;jjd; gpd; vz;nza;> fpup];
Nghd;wtw;iwg; G+rp itj;jy; Ntz;Lk;.(JUg;gpbj;jiyj; jtpu;g;gjw;fhf)
mstPl;Lf; fUtpfs;mstPl;Lf; fUtpfs;mstPl;Lf; fUtpfs;mstPl;Lf; fUtpfs;mstPl;Lf; fUtpfs;
1. cUf;F msTr; rl;lk;. 1. cUf;F msTr; rl;lk;. 1. cUf;F msTr; rl;lk;. 1. cUf;F msTr; rl;lk;. 1. cUf;F msTr; rl;lk;. ( steel ruler)
gy ;NtW e Psq ;fisf; nfhz;l cUf;F msTr;rl ;lq ;fs ;
ifj;njhopy;fspy; gad;gLj;jg;gLfpd;wd. ,q;F milahskplg;gl;l mstPLfs;
mopahkYk;> Xuq;fs; Nja;e;J cile;J NghfhjthWk; ghJfhg;gjw;fhf ,it
fiwapy; cUf;fpdhy; cw;gj;jp nra;ag;gl;Ls;sd.
14
glk; 2.1
cUf;F msTr; rl;lj;jpy; xU gf;fk; gpupj;jhdpa myF KiwapYk; kw;iwa
gf;fk; nkl;upf; myF KiwapYk; gbtFf;if nra;ag;ggl;Ls;sJ. gpupj;jhdpa
msTj;jpl;lk; gutyhfg; gad;gLj;jg;gLtjpy;iyahjyhy; nkl;upf; Kiwapy; msT
Nfhblg;gl;Ls;s Xuj;ij mtjhdpg;Nghk;.
k P w ; w u ; > nrd ; w p k P w ; w u ;
Fwpf;fg;gl;bUg;gJld; kpy;ypkPw;wUk;
Fwpf;fg;gl;L xU kpy;ypkPw;wu; ,uz;lhfg;
gpupf;fg;gl;Ls;sJ. mjhtJ cUf;F
msTr; rl;lj;ijg; gad;gLj;jp 0.5 mm
vDk; rpwpa mstPl;ilAk; ngw KbAk;.
rhjhuz ,Lf;fpfs;rhjhuz ,Lf;fpfs;rhjhuz ,Lf;fpfs;rhjhuz ,Lf;fpfs;rhjhuz ,Lf;fpfs; (Calipers)
,it ,uz;L jhilfisf; nfhz;Ls;sd. mj;Jld; xd;Wld; xd;W ,Wf;fkhfg;
gpizf;fg;gl;Ls;sJ. ,it %d;W tifg;gLk;.
1. ntspg;gf;fTWjp %l;b ,Lf;fp (Outside Calipers)
2. cs;gf;fTWjp %l;b ,L;f;fp ( Inside Calipers)
3. nrd;dp ,Lf;fp (Jenny Calipers)
ntspg;gf;fTWjp %l;b ,Lf;fpntspg;gf;fTWjp %l;b ,Lf;fpntspg;gf;fTWjp %l;b ,Lf;fpntspg;gf;fTWjp %l;b ,Lf;fpntspg;gf;fTWjp %l;b ,Lf;fp
Ntiyg; gFjpapd; ntsp tpl;lj;ij mstply;> ntspapy; cs;s rpwpa ePsj;ij
mstply;> ntspNkw;gug;Gf;fs; rkhe;jukh vd mwpjy; Nghd;wtw;wpw;F ,f;fUtp
gad;gLj;jg;glyhk;.
,t;Tgfuzj;jpdhy; mstPLfisg; ngWtjw;F Kd; Ntiyg; gFjpapd;
Nky; itj;J nrg;gQ;nra;J mstPl;ilg; ngw;w gpd; mij ntspNa vLj;J ,Lf;fpia
cUf;F msTr;rl;lj;jpy; itj;J mjd; %yk; mstPl;ilg; ngw;Wf;nfhs;sy; Ntz;Lk;.
cs;gf;fTWjp %l;b ,Lf;fpcs;gf;fTWjp %l;b ,Lf;fpcs;gf;fTWjp %l;b ,Lf;fpcs;gf;fTWjp %l;b ,Lf;fpcs;gf;fTWjp %l;b ,Lf;fp
Ntiyg; gFjpnahd;wpd;
cs;tpl;lj;ij mstply;> cs; ePs
msnthd;iwg; ngw;Wf;nfhs;sy;>
cs;Nkw;gug;Gf;fs; rkhe;jukhf
cs;sjh vdg; guPl;rpj;jy; Nghd;w
NjitfSf;Fg; gad;gLj;jyhk;.
glk; 2.3 ,y; fhl;bathW mstPLfisg; ngw;Wf; nfhs;s KbAk;.
123456789012345678901123456789012345678901123456789012345678901123456789012345678901123456789012345678901123456789012345678901123456789012345678901
Ntiyg;gFjp
glk; 2.2
Ntiyg;gFjp
glk; 2.3
15
nrd;dp ,Lf;fpnrd;dp ,Lf;fpnrd;dp ,Lf;fpnrd;dp ,Lf;fpnrd;dp ,Lf;fp
tl;lkhd Ntiyg; gFjpnahd;wpd; ikaj;ij mwpe;J nfhs;tjw;Fk;>
Xunkhd;wpy; rkhe;juf; NfhLfs; tiutjw;Fk; cjTk;;. ,J mypapLf;fp vdTk;
miof;fg;gLk;. ,jd; xU jhil tisT nfhz;ljhf ,Uj;jy; ,jd; tpN~l
mk;rkhFk;.
Ez; mstPl;Lf; fUtpfs;Ez; mstPl;Lf; fUtpfs;Ez; mstPl;Lf; fUtpfs;Ez; mstPl;Lf; fUtpfs;Ez; mstPl;Lf; fUtpfs;
Ntzpau;Ntzpau;Ntzpau;Ntzpau;Ntzpau;
,Lf;fp,Lf;fp,Lf;fp,Lf;fp,Lf;fp
kpf Ez;zpa kpfj; jpUj;jkhd mstPLfisg; ngwf;$ba fUtpahFk;.
xU Ntiyg; gFjpapd; ePsk;> mfyk;> jbg;G> Mok;> cs; my;yJ ntsp mstPL>
tpl;;lk; Nghd;wtw;iw mstplg; gad;gLj;jyhk;.
,J gpuhjhdkhf mbg;gil msTj;jpl;lj;ijf; nfhz;l msTr;
rl;lnkhd;iwAk;> nrg;gQ; nra;af; $ba jhilAld; $ba Jiz (Ntzpau;)
mstPl;ilAk; nfhz;lJ.(glk; 2.4)
cNyhf Ntiyfspy; gad;gLj;jg;gLk; Ntzpau; ,Lf;fpfs; ,uz;L
tifg;gLk;.
1. gpupj;jhdpa Kiwap;y; mikf;fg;gl;l (Mq;fpy) Ntzpau; ,Lf;fp
2. nkl;upf; Kiwapy; mikf;fg;l;l (nkl;upf;) Ntzpau; ,Lf;fp
gutyhfg; gad;gLj;jg;gLk; nkl;upf; Ntzpau; ,Lf;fpiag; gw;wp rpwpJ
Muha;Nthk;.
nkl;upf; Ntzpau; ,Lf;fnkl;upf; Ntzpau; ,Lf;fnkl;upf; Ntzpau; ,Lf;fnkl;upf; Ntzpau; ,Lf;fnkl;upf; Ntzpau; ,Lf;fp
,tw;wpy; Ntzpau; mstpil Nghd;w
kpfj; jpUj;jkhd mstPLfisg; ngwf; $bathW mikf;fg;gl;Ls;sd.
Ntzpau; ,Lf;fpapd; ,opntz;zpf;ifNtzpau; ,Lf;fpapd; ,opntz;zpf;ifNtzpau; ,Lf;fpapd; ,opntz;zpf;ifNtzpau; ,Lf;fpapd; ,opntz;zpf;ifNtzpau; ,Lf;fpapd; ,opntz;zpf;if
mjpfkhd re;ju;g;gq;fspy; ,opntz;zpf;if Ntu;zpau; ,Lf;fpapy;
Fwpg;gplg;gl;bUf;Fk;. fPo;f;fhl;bathW fzpg;gPLfspd; %yKk; ,opntz;zpf;ifiaf;
fzpj;Jf; nfhs;syhk;.
Mok;
mstpLk;
gFjp
NtzpaH msTr; rl;lk;
gpujhd msTr; rl;lk;
NtzpaH msTr; rl;lk;
G+l;L
ntspj; jhil
cl ; jhil
gpujhd msTr; rl;lk;
1
10
mm,1
20
mm, 1
50
mm,1
100
mm
= 1 -
Ntzpau; msTj;jpl;lj;Jld; xUq;fpizAk; gpujhd nsTj;jpl;llj;jpd;
gFjpfspd; vz;zpf;if
Ntzpau; msTj;jpl;lj;jpd; gFjpfspd; vz;zpf;if
kpfr; rpwpa mstPL
16
1 2
3
4 5
6 7
8
9
glk; 6
= 1 -
Ntzpau; msTj;jpl;lj;Jld; 10 gFjpfSld; xUq;fpizAk; gpujhd
msTj;jpl;llj;jpd; gFjpfspd; vz;zpf;if
Ntzpau; msTj;jpl;lj;jpd; gFjpfspd; vz;zpf;if
kpfr; rpwpa mstPL
10 gFjpfs; nfhz;l tu;zpau; mstPl;ilf; nfhz;l Ntzpau; ,Lf;fpapy; kpfr;
rpwpa mstPl;ilg; ngwy;
= 1- 9/10 mm
= 1-0.9 mm
= 0.1 mm xUq;fike;j gFjpfspd; vz;zpf;if
gpujhd mstPL %yk; Fwpf;Fk; msT
glk; 2.5
NkYs;s Ntzpau; ,Lf;fpapdhy; vt;thW mstPnlhd;iwg; ngwyhk; vd
mtjhdpg;Nghk;.
Ntiyg; gFjpapy; Ntzpau; ,Lf;fpapd; jhilfis itj;j NghJ mjd; mstPLfs;
mike;jpUe;j Kiw glj;jpw; fhl;lg;gl;Ls;sJ.(glk; 2.5)
gpujhd msTr; rl;lk; fhl;LtJ = 33.00 mm
Ntu;zpau;; msTr; rl;lj;jpd; mstPL
cld; nghUe;Jk; Neu;Nfhl;bd; ePsk; = 8
Ntu;zpau; ,Lf;fpapd; ,opntz;zpf;if = 0.1 mm
Jiz msTr;rl;lk fhl;Lk; ePsk; = 0.1 x 8
= 0.8 mm
mstPL = 33 mm + 0.8 mm
= 33.8 mm
Ez;khdpj; jpUFf; fzpr;rpEz;khdpj; jpUFf; fzpr;rpEz;khdpj; jpUFf; fzpr;rpEz;khdpj; jpUFf; fzpr;rpEz;khdpj; jpUFf; fzpr;rp
Ntiyg; gFjpnahd;wpd; ntsptpl;lk;> my;yJ jbg;gk;> fk;gpapd;
tpl;lk; Nghd;wtw;iwj; jpUj;jkhf mstpl ,f;fUtp gad;gLj;jg;gLfpd;wJ.
,jd; mbg;gil msT 0-25 mm, 50 mm , 75 mm, 75 mm - 100 mm
Nghd;w msTfspy; cw;gj;jp nra;ag;gl;Ls;sJ. gutyhfg; gad;gLj;jg;gLk; Ntzpau;
msTj;jpl;lj;jpd; ,opntz;zpf;if 0.01 mm MFk;.
Ez;khdpj; jpUf;Ff; fzpr;rpEz;khdpj; jpUf;Ff; fzpr;rpEz;khdpj; jpUf;Ff; fzpr;rpEz;khdpj; jpUf;Ff; fzpr;rpEz;khdpj; jpUf;Ff; fzpr;rp
17
1. jiyik msTr; rl;lk; (Main Scale)
2. Jiz msTr; rl;lk; ( Secondary Scale)
3. rl;lk; (Frame)
4. gl;lil(Anvil)
5. ciw (Sleeve)
6. G+l;Lr;Riu (Lock Nut)
7. tlg;Gl;by; (Thimble)
8. gw;Row;rp ( Ratchet)
9. fjpu;f;Nfhy; (Spindle)
Ez;khdpj; jpUFf; fzpr;rpapd; ,opntz;zpf;ifiag; ngwyEz;khdpj; jpUFf; fzpr;rpapd; ,opntz;zpf;ifiag; ngwyEz;khdpj; jpUFf; fzpr;rpapd; ,opntz;zpf;ifiag; ngwyEz;khdpj; jpUFf; fzpr;rpapd; ,opntz;zpf;ifiag; ngwyEz;khdpj; jpUFf; fzpr;rpapd; ,opntz;zpf;ifiag; ngwy;
jiyik msTr; rl;lj;jpd; rpwpa mstPL = 0.5 mm
= 0.5/50
= 0.01
Ez;khdpj; jpUFf; fzpr;rpapd; %yk; mstPnlhd;iwg; ngwy;Ez;khdpj; jpUFf; fzpr;rpapd; %yk; mstPnlhd;iwg; ngwy;Ez;khdpj; jpUFf; fzpr;rpapd; %yk; mstPnlhd;iwg; ngwy;Ez;khdpj; jpUFf; fzpr;rpapd; %yk; mstPnlhd;iwg; ngwy;Ez;khdpj; jpUFf; fzpr;rpapd; %yk; mstPnlhd;iwg; ngwy;
jiyik msTr;rl;lk; fhl;ba msT =12.5mm + Jizmstpd; gFjpfs;
Jiz msTr; rl;lj;jhy; fhl;lg;gLk; ePsk; =35 x 0.01
= 0.35 mm
mstPL = 12.5 + 0.35
= 12.85 mm
fk;gpf; fzpr;rp fk;gpf; fzpr;rp fk;gpf; fzpr;rp fk;gpf; fzpr;rp fk;gpf; fzpr;rp (Wire guage)
,f;fzpr;rp nky;ypa cUf;Fj; jfLfspdhy;
Mf;fg;gl;Ls;sJ. tpj;jpahrkhd tpl;lq;fisAila
rpy Jthuq;fs; Mf;fg;gl;L mjd; msTk;
Fwpf;fg;gl;bUf;Fk;. tpl;lj;ij mstpl Ntz;ba
fk;gpiag; nghUj;jkhd Jthuj;jpy; ,l;L xj;j
Jthuj;jpd; mstPl;ilg; ngWtjd; %yk; fk;gpapd;
tpl;lj;ij mwpa KbAk;. ,q;F ngWkhdj;ijf;
Fwpf;Fk; epak fzpr;rp SWG MFk;.
czu;khdp czu;khdp czu;khdp czu;khdp czu;khdp (Feeler Gauge)
,ilnts pfis mst pl ,f ;fUt p
gad;gLj;jg;gLfpd;wJ. tpj;jpahrkhd jbg;Gf;fisf;
nfhz;l jfLfis xd;whfr; Nru;j;J ,f;fzpr;rp
Mf;fg;gl;Ls;sJ. xt;nthU jfl;bdJk; jbg;G kpy;yp
kPw;wupy; Fwpf;fg;gl;bUf;Fk;.
,it gutyhf Nkhl;lhu; njhopDl;gtpay;> thfd
kpd; njhopDl;gtpay; Nghd;wtw;wpy; gad;gLfpwJ..
Nja ; e ;J Nghd ,ae ;j p u g ; gFj pfs ;
glk; 2.6
glk; 2.7
=gpujhd msTr;rl;lj;jpd; rpwpa msT
Jiz msTr;rl;lj;jpd; gFjpfspd; vz;zpf;if
,opntz;zpf;if
18
,uz;bw;fpilapyhd ,ilntspia mstpl my;yJ xd;Wld; xd;W njhlu;GWk;
gFjpfs; ,uz;bw;Fkpilapyhd ,ilntspia mstpl ,f;fUtp gad;gLfpd;wJ.
cjhuzk;: jg;ngj;J(Tappet) ,ilntsp Rlu;r;
nrUfpf;fpilapyhd ,ilntsp
tl;liz fzpr;rp tl;liz fzpr;rp tl;liz fzpr;rp tl;liz fzpr;rp tl;liz fzpr;rp (Dial Gauge)
0.001 mm Kjy; 1mm ,w;fpilg;gl;l ,ilntspia
mwpaf; $baJk;> 0.01 mm Kjy; 1 mm tiu mstPl;ilg;
guPl;rpf;ff;$ba tl;lizf; fzpr;rpfs; fhzg;gLfpd;wd.
,tw;wpy; rpwpa Crpnahd;iw nfhz;l jiyik msTr;
rl;lKk; ePskhd Crpnahd;iwf; nfhz;l Jiz msTr;
rl;lKk; fhzg;gLfpd;wd.
glk; 2.8
19
3. 3. 3. 3. 3. njhopDl;gj;Jld; njhlu;Gila ngsjpftpay;njhopDl;gj;Jld; njhlu;Gila ngsjpftpay;njhopDl;gj;Jld; njhlu;Gila ngsjpftpay;njhopDl;gj;Jld; njhlu;Gila ngsjpftpay;njhopDl;gj;Jld; njhlu;Gila ngsjpftpay;
3.1 epiyapay;3.1 epiyapay;3.1 epiyapay;3.1 epiyapay;3.1 epiyapay;
epiw epiw epiw epiw epiw / <u;g;G tpir<u;g;G tpir<u;g;G tpir<u;g;G tpir<u;g;G tpir
glk; 3.1.1
vk;ikr; #oTs;s vy;yhg; nghUl;fSk; Gtpapdhy; ftug;gLfpd;wd.
vd;gij ehk; mwpNthk;. nghUs;fs; rlg;nghUs;fshy; Mf;fg;gl;Ls;sd.nghUspYs;s
rlg;nghUspd; msT jpzpT vdg;gLk;. vk;ikr; Rw;wpAs;s vy;yhj; jpzpTfSk;
Gtpia Nehf;fpf; ftug;gl;bUf;Fk;. GtpAk; rlg;nghUspdhy; Mf;fg;gl;Ls;sJ.
nghJthf mtjhdpf;Fk; NghJ
ve;jnthU nghUSk; kw;nwhU
nghUspd; kPJ ftu;r;rp tpir xd;iwr;
nrYj;Jk;. (glk; 3.1.1) ,t;thW
nghUl;fSf;fpilNa fhzg;gLk;
ftu;r;rp tpir <u;g;G tpir vd
miof;fg;gLk;. Gtpf;Fk; Gtpiar;
#oTs ;s nghUl ;fSf ;Fk ;
,ilapyhd <u;g;G tpir GtpaPu;g;G
t pir my ;yJ e piw vd
miof;fg;gLfpd;wJ.(glk; 3.1.2)
nghUs; xd;W Mf;fg;gl;Ls;s
rlg; nghUspd; msT mjd; jpzpT vd miof;fg;gLk;. ,jd; mbg;gilapy;
VjhtJ ,uz;L jpzpTfSf;fpilNa fhzg;gLk; ftu;r;rp tpir> <u;g;G tpir vdTk;
miof;fg;glyhk;.
epiwia mstpLk; myFfs;epiwia mstpLk; myFfs;epiwia mstpLk; myFfs;epiwia mstpLk; myFfs;epiwia mstpLk; myFfs;
VjhtJ jpzpnthd;W Gtpapdhy; ftug;gLk; ftu;r;rp tpiria mjhtJ
epiwia mstpl tpw;wuhR Nghd;w cgfuzq;fs; gad;gLfpd;wd. epiwia mstpLk;
myF tpiria mstpLk; myNfahFk;. ,jd; mbg;gilap;y; epiwia mstpLk;
ru;tNjr myF epA+w;+wd; (N) MFk;. xU fpNyhfpuhk; jpzpTila nghUs; xd;W
GtpaPu;g;G tpirapd; fPo; nrf;fdpw;F nrf;fdpw;F kPw;wu; (ms-2) vDk; Mu;KLYld;
,aq;Ftjw;F Njitahd tpir xU epA+w;wd; MFk;.
vdNt epiw = jpzpT x GtpaPu;g;G Mu;KLfy;
W = m g
vdf; Fwpf;fg;glyhk;.
GtpaPu;g;G ikak;GtpaPu;g;G ikak;GtpaPu;g;G ikak;GtpaPu;g;G ikak;GtpaPu;g;G ikak;
ngUk;ghyhd nghUl;fspy; rlg;nghUl;fs; gue;J fhzg;gLk;. ,t;thW
kpfr; rpwpa jpzpTila> kpfr; rpwpa Jzpf;ifg; gFjpfspyhd nghUs;
xd;wpy; njhopw;gLk; GtpaPu;g;G tpir gw;wpf; ftdpg;Nghk;.
jpzpT A jpzpT B<u;g;G
tpir
Gtp ;
nghUs;
GtpaPu;g;G
tpir
glk; 3.1.2
20
r p w pa j pz pTfs ; m1,m
2,
m3,............. vdTk; mtw;wpd; nkhj;j
jpzpT m = m1 + m
2 + m
3+ ....... vdTk;
nfhs;Nthk;. vy;yhr; rpwpa jpzpT
fspYk; GtpaPu;g;G tpir (m1g, m
2g, m
3g
vd;wthW) njhopw;gLk;. ,t;thW
vy;yhj; jpzpTfspdJk; GtpaPu;g;G
tpirfspd; $l;Lj;njhif nghUspd;
nkhj;j epiwf;Fr; (mg) rkkhFk;.
xt ; nthU r p w pa
jpzpTfspd; kPJk; njhopw;gLk; epiwapd; jhf;ff;NfhL mj;jpzptpd; Clhfr; nry;tijg;
Nghd;W nghUspd; nkhj;j epiwapd; jhf;ff;NfhL VjhtJ xU jhdj;jpd; Clhfr;
nry;Yk; ,j;jhdk; GtaPu;g;G ikak; (G) vd miof;fg;gLk;.
jl;ilahd nghUs; xd;wpd; GtpaPu;g;G ikaj;ij mwpjy;jl;ilahd nghUs; xd;wpd; GtpaPu;g;G ikaj;ij mwpjy;jl;ilahd nghUs; xd;wpd; GtpaPu;g;G ikaj;ij mwpjy;jl;ilahd nghUs; xd;wpd; GtpaPu;g;G ikaj;ij mwpjy;jl;ilahd nghUs; xd;wpd; GtpaPu;g;G ikaj;ij mwpjy;
nghUis VjhtJ xU Gs;spapy; fl;bj; njhq;ftpl;lhy; nghUspy; njhopw;gLk;
GtpaPu ;g ;G tpir njhq;ftplg;gl;Ls;s Gs;spapy; kWjhf;fj;jpd; %yk;
rkepiyg;gLj;jg;gLfpd;wJ. ,t;thW nghUspd; epiwAk; kW jhf;fKk; xd;wpw;F
xd;W vjpuhff; fhzg;gLtjhy; GtpaPu;g;G ikakhdJ nghUs; njhq;ftplg;gl;Ls;s
Gs;spapd; Clhd epiyf;Fj;Jf; Nfhl;by; fhzg;gLk;.
nghUs; njhq;ftplg;gl;Ls;s mikit khw;wp kPz;Lk; njhq;ftpl;L jhf;ff;
Nfhl;il kPz;Lk; tiue;jhy; mt;tpU re;ju;g;gq;fspdJk; jhf;ff; NfhLfs;
xd;iwnahd;W ntl;Lk; Gs;sp GtpaPu;g;G ikak;(G) MFk;.(glk; 3.1.4)
Kg;gupkhzg; nghUs;fspd; GtpaPu;g;G ikak; cs;Ns mikAk.; MfNt
Nkw;Fwpg;gpl;l nghUisf; fUJk; NghJ GtpaPu;g;G ikaj;ij ,yFtpy;
fz;Lgpbf;f KbahJs;sJ. NkYk; nghs;shd nghUl;fspd; GtpaPu;g;G ikak;
ntspNa fhzg;gLk;. c-k; rpul;il
G
123451234512345
123451234512345
njhq;ftplg;gl;l Gs;sp njhq;ftplg;gl;l
Gs;sp
kWjhf;fk;
kWjhf;fk;
epiw
epiwglk; 3.14
21
cuha;T tpircuha;T tpircuha;T tpircuha;T tpircuha;T tpir
nghUs; xd;wpy; jhf;Fk; tpirfSs; cuha;T tpir tpN~lkhd xU
tpirahFk;. xd;Wld; xd;W njhl;Lf; nfhz;bUf;Fk; ,uz;L nghUl;fspd; njhLk;
Nkw;gug;Gf;fSf;fpilNa cuha;T Vw;gLtjw;F Kaw;rpf;Fk; NghJ my;yJ cuha;T
Vw;gLk; NghJ Njhd;WtNj ,t;tpirahFk;.
cjhuzkhf Nkirapd; Nky; cs;sq;ifia itj;J cs;sq;ifia
cuha;tjw;F Nkw;nfhs;Sk; Kaw;rpiaf; fUJNthk;.(glk; 3.1.5) cs;sq;ifapdhy;
Nkirapy; cuha;tjw;F xU tpiriag; gpuNahfpf;f Ntz;bAs;sJ. cs;sq;if
Nkirapy; cuha;tjw;F jilahf Nkirapdhy; Njhw;Wtpf;fg;gLk; cuha;T tpir
mikfpd;wJ. ,j;njhopw;ghl;bw;fhf tpirnahd;W gpuNahfpf;fg;gly; Ntz;Lk;.
rkepiyapy; ,Ug;gjw;F mt;tpirfs; rkkhdjhTk; vjpuhdjhfTk; Nkirapd; Nky;
njhopw;gLk;.
glk; 3.1.5
njhLk; Nkw;gug;Gfspd; ,ay;G cuha;T tpirapy; nry;thf;Fr; nrYj;Jk;. Nkw;gug;G
fulhjy; cuha;T cau;tjw;Ff; fhuzkhFk;. mj;Jld; xU Nkw;gug;G kw;iwa
Nkw;gug;gpy; Njhw;Wtpf;Fk; cijg;Gk; cuha;tpy; nry;thf;Fr; nrYj;Jk;.
Nkw;gug;GfSf;fpilapyhd cijg;G mjpfkhapd; cuha;Tk; mjpfupf;Fk;.(glk; 3.1.6)
cjhuzk; Jtpr;rf;futz;b>Nkhl;lu; irf;fps; Nghd;wtw;wpy; fjpiaf; Fiwg;gjw;F
gad;gLk; jLg;G RoYk; rpy;ypy; ,Wf;fkhf cijg;ig Vw;gLj;Jk;.
glk; 3.1.6
cuha;tpd; gy;NtW re;ju;g;gq;fs;cuha;tpd; gy;NtW re;ju;g;gq;fs;cuha;tpd; gy;NtW re;ju;g;gq;fs;cuha;tpd; gy;NtW re;ju;g;gq;fs;cuha;tpd; gy;NtW re;ju;g;gq;fs;
cuha;tpd; fPo; Xa;tpy; ,Uf;Fk; NghJ mJ “epiyapay; cuha;T” vdTk;
,aq;f Muk;gkhFk; epiyapy; mJ “vy;iyAuha;T” vdTk; ,aq;Fk; NghJ mJ
“,af;f cuha;T” vdTk; miof;fg;gLfpd;wJ.
,af;fj;jpw;fhf gpuNahfpf;fg;gLk; tpirf;F vjpuhf cuha;T tpirapd; khw;wk;
gpd;tUk; tiugpy; fhl;lg;gl;lthW epfOk;
cuha;T tpir js;S tpir
cijg;G
kWjhf;fk;
cuha;T tpir js;S tpir
22
vy;iy cuha;Tr; re;ju;g;gj;ijAk; ,af;f cuha;Tr; re;jug;gj;ijAk; fUJk;
NghJ cuha;T tpirf;Fk; nrq;Fj;J kWjhf;fj;jpw;Fk; ,ilapyhd njhlu;G gpd;tUkhW
fhl;lg;glyhk;.
cuha;T tpir (F ) α gug;Gf;fSf;fpilNa kW jhf;fk; (R)
F = µR
µ vdg;gLtJ tpfpj rkdhd khwpypahtNjhL mJ Nkw;gug;gpd; ,ay;gpy;
jq;fpAs;s fhuzpahfTk; fhzg;gLfp;d;wJ. vdNt mJ cuha;Tf; Fzfk; vd
miof;fg;gLfpd;wJ.
cuha;T fhzg;gLtJ gpuNahrdkhf mikAk; re;jHg;gq;fisAk;>
cuha;T fhzg;glhj;jik gpuNahrdkhf mikAk; re;ju;g;gq;fisAk; md;whl
tho;f;ifapy; mtjhdpf;f KbfpwJ.
c-k;
♦ ghijf;Fk; thfdq;fspd; lau;fSf;Fk; ,ilNa cuha;T fhzg;gLjy;
gpuNahrdkhf mikfpwJ. mt;thW ,y;iynadpy; thfdq;fs; tOf;fpr;
nrd;W tpgj;J Vw;glf; $bajhf ,Uf;Fk;.
♦ ePu;f; Foha;fspDs; cuha;T ,y;yhjpUj;jy; ed;ik gaf;fpd;wJ.
mt;thwpy;yhtpbd; ePu; ghAk; Ntfk; FiwtilAk;.
♦ muj;jhspy; cuha;T mjpfkhjy; gad;juf;$baJ. mt;thwpy;yhtpbd;
cNyhfq;fis ed;F Njar;nra;J xg;gkhf;f KbahJ.
♦ fjTg; gpizr;ry;fspd; njhLiffspy; cuha;T ,y;yhjpUj;jy;
gaDilajhf mikAk;. mt;thwpy;yhtpbd; xyp Njhd;wy;> tpiutpy;
Nja;e;J Nghjy;> gpizr;ry;fs; gOjiljy;> gpizr;ry;fis jpwe;J
%Ltjw;F mjpf rf;jpiag; gad;gLj;j Ntz;b Vw;gly; Nghd;wd
epfoyhk;.
cuha;itj; Njitf;Nfw;wthW ifahSk; Kiwfs;cuha;itj; Njitf;Nfw;wthW ifahSk; Kiwfs;cuha;itj; Njitf;Nfw;wthW ifahSk; Kiwfs;cuha;itj; Njitf;Nfw;wthW ifahSk; Kiwfs;cuha;itj; Njitf;Nfw;wthW ifahSk; Kiwfs;
cuha;itj; Njitf;Nfw;wthW ifahStjhy; njhopEl;g Kiwfis
tpidjpwDld; nraw;gLj;j KbAk;. cuha;it ,optsthf;Ftjw;F ,yF vz;nza;
gad;gLj;jy;>fpuPR G+Rjy;> fhuPag; G+r;rp xg;gkhf;fy; Nghd;w Kiwfs; ifahsg;gLfpd;wd.
cuha;it mjpfupg;gjw;fhf Nkw;gug;igf; fulhf;fy; tpN~lkhFk;. mj;Jld; cijg;ig
mjpfupg;gjd; %yKk; mjpfupf;fg;glyhk;. ,q;F njhL Nkw;guG;Gf;fspd; fbdj;
jd;ik FiwtJk; cuha;T mjpfupg;gjw;F fhuzkha; mikayhk;. njhL Nkw;gug;ig
mjpfupj;jy; my;yJ Fiwj;jy; Nghd;wtw;wpd; %yk; cuha;T tpirapy; nry;thf;F
nrYj;j KbahJ.
ep i
yap a
y;
cuha;T
vy;iy cuha;T
,af;f cuha;T
gpuNahfpf;fg;gLk;
tpir(P)
cuha;T tpir
23
gy;NtW tpirfspd; fPo; nghUs; xd;wpd; rkepiyy;NtW tpirfspd; fPo; nghUs; xd;wpd; rkepiyy;NtW tpirfspd; fPo; nghUs; xd;wpd; rkepiyy;NtW tpirfspd; fPo; nghUs; xd;wpd; rkepiyy;NtW tpirfspd; fPo; nghUs; xd;wpd; rkepiy
cq;fisr; #oTs;s nghUs;fis mtjhdpf;Fk; NghJ rpy
nghUs;fs; ,aq;FtijAk; NtW rpy Xa;tpypUg;gijAk; mtjhdpf;fyhk;.
nghUs;fs; Xa;tpypUg;gJ mjd; rkepiyr; re;ju;g;gk; vdTk; miof;fg;gLfpwJ.
nghUs;fs; vt;thW Xa;tpypUf;fpwJ? ,t;tpdhtpw;F tpil mspg;gjw;F fPo;tUk;
re;ju;g;gq;fs; gw;wpr; rpwpJ Muha;Nthk;.
nghUspd; Nky; gy;NtW tpirfs; njhopw;gLk;. mtw;Ws; mjd;
epiw Kf;fpa ,lj;ijg; ngWfpwJ. mjw;Ff; fhuzk; Gtpapd; kPJ fhzg;gLk;
vy;yhg; nghUs;fSk; GtpaPu;g;G tpirapd; fPo; fhzg;gLtNjahFk;.
mj;Jld; mt;tpU tpirfspdJk; jhf;ff; NfhL xU Neu; Nfhl;by; mikjy;
Ntz;Lk;.
mjhtJ> epiw = kWjhf;fk;
W = R
nghUspd; XH me;jk; Nkirapy; tpspk;gpy; ,Uf;FkhW
nghUs ; Nkira py ; itf ;fg ; gl ; Lss ;ijf ;
ftdpg;Nghk;.(glk; 3.1.8) nghUis itj;J ifia
mg;Gwg;gLj;jpdhy; mjd; Nky; jhf;Fk; tpirfshf
mikgit Nkirahy; gpuNahfpf;fg;gLk; kWjhf;fKk;
epiwANkahFk;. mt;tpuz;L tpirfSk; xd;iwnahd;W
js;sp njhopw;gLtjhYk; vjpuhff; fhzg;gLtjhYk;
(glj;jpy; fhl;bagb) nghUs; ruptijf; fhzyhk;.
,ioapdhy; fl;bj; njhq;ftplg;gl;Ls;s
rkepiyapYs;s nghUs; xd;iwf; fUJNthk;. (glk; 3.1.9) mq;F xU tpir
epiwahf miktNjhL kw;iwa tpir ,ioapd; ,OtpirahFk;.
xU Jzpd; Nky; rkepiyapy; fhzg;gLk; nghUs; xd;iwf; fUJNthk;.
(glk;3.1.10) ,q;F xU tpir epiwahtNjhL kw;iwa tpir Jzpd; cijg;G
MFk;.
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Nkir
nghUs;
kWjhf;fk; R&
epiw^W&
glk; 3.1.8
glk; 3.1.7
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kWjhf;fk; R&
epiw W&
nghUs;
Nkir
24
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epiw (W)
nghUs;
,Oit
nghUs;
Jz;
cijg;G
epiw W&
glk; 3..1.13
glk; 3.1.12
gpd;gf;fkhf
,Oj;jy;
epiw W&
Mzp
glk; 3.1.11
,Oit
,Oit
,Oit
glk; 3.1.9 glk; 3.1.10
%d;W tpirfspd; fPo; cs;s nghUspd; rkepiy%d;W tpirfspd; fPo; cs;s nghUspd; rkepiy%d;W tpirfspd; fPo; cs;s nghUspd; rkepiy%d;W tpirfspd; fPo; cs;s nghUspd; rkepiy%d;W tpirfspd; fPo; cs;s nghUspd; rkepiy
Rtupy;; ;; ; mbf;fg;gl;Ls;s Mzpnahd;wpd; %yk; njhq;ftplg;gl;Ls;s
rl;lfk; xd;W fhzg;gLk; KiwAk; Rz;L tpy; ,Og;gijAk; fPOs;s glq;fs;
fhl;Lfpd;wd. glk; 3.1.11
,t;thW %d;W tpirfs; rkepiyapy; fhzg;gLk;
NghJ mk;%d;W tpirfSk; xNu jsj;jpy; fhzg;gl
Ntz;Lk;. mk;%d;W tpirfspdJk; jhf;ff; NfhLfs;
xU Gs;spapy; re;jpf;fTk; Ntz;Lk;. ( glk; 3.1.12)
gy tpirfs; jhf;Fk; nghUspd; rkepiygy tpirfs; jhf;Fk; nghUspd; rkepiygy tpirfs; jhf;Fk; nghUspd; rkepiygy tpirfs; jhf;Fk; nghUspd; rkepiygy tpirfs; jhf;Fk; nghUspd; rkepiy
rpye;jp tiynahd;iw fUJNthk;. ( glk; 3.1.13).
rpye;jp tiy vdg;gLtJ xd;Wld; xd;W njhLf;fg;gl;l
gy ,iofspdhy; Md xU njhFjpahFk;.mNj Nghd;W
thndhyp xypgug;Gf;fhfg; gad;gLj;jg;gLk; xypgug;Gf;
fk;gk;
(Tower) cNyhfj ; jz ;Lfs pdhy ; Md
njhFjpahYk;> ,iofspdhYk; rkdpiyg;
gLj;jg;gl;Ls;sJ.
25
tpirfspd; vz;zpf;if vJthapDk; nghUs; xd;W my;yJ njhFjpnahd;W
rkepiyapy; fhzg;gLtjw;F mj;njhFjpahdJ Neu;Nfhl;Lr; rkepiyapYk; Row;rpr;
rkepiyapYk; ,Uj;jy; Ntz;Lk;.
Neu; Nfhl;Lr; rkepiyapy; ,Ug;gjw;F nghUspd; Nky; jhf;Fk; tpisAs;
tpir njupT nra;Ak; ve;jj; jpirapYk; G+r;rpakhf mikjy; Ntz;Lk;.mNj Nghd;W
ve;jg;Gs;spapd; ClhfTk; Row;rpAk; ,Uj;jyhfhJ.
jpUg;gk;.jpUg;gk;.jpUg;gk;.jpUg;gk;.jpUg;gk;.
jpUg;gk; vdg;gLtJ VjhtJ xU tpirapd; fhuzkhf njupT nra;ag;gl;l
Gs;spiar; Rw;wp nghUs; xd;W Roy;tjw;F Vw;w ,aYikiaf; Fwpg;gpLk; xU
fzpakhFk;.
VjhtJ xU Gs;spapypUe;J tpirtiuapyhd
nrq;Fj;Jj; Juj;ij me;j tpirapdhy;
ngUf;Ftjd; %yk; ngwg;gLk; ngWkhdk; me;j
Gs;sp gw;wpa jpUg;gk; vdg;gLk;. O vDk; Gs;spf;F
mg;ghy; F vDk; tpir njhopw;gLfpd;wjhapd; O
tpypUe;J tpirf; Nfhl;bw;fhd nrq;Fj;Jj; Juk;
X vdpd;(glk; 3.1.14) O gw;wp F ,d; %yk;
Njhw;Wtpf;fg;gLk; jpUg;gk; G= F.X MFk;.
gy tpirfspd; fPo; nghUnshd;W rkepiyapypUf;Fk;
NghJ njupT nra;ag;gLk; ve;jg;Gs;sp gw;wpAk; tpisAs; jpUg;gk; G+r;rpakhFk;.
xU Nrhb tpirapd; jpUg;gk;.xU Nrhb tpirapd; jpUg;gk;.xU Nrhb tpirapd; jpUg;gk;.xU Nrhb tpirapd; jpUg;gk;.xU Nrhb tpirapd; jpUg;gk;.
xd;wpw;nfhd;W rkdhdJk; rkhe;jukhdJkhdJk; vjpuhdJkhd xU Nrhb
tpirfs; tpir,iz vd miof;fg;gLk;. ePuf;Foha;thapy;jpUfpapd; ifg;gpbiar;
Row;wy; tpir ,iz njhopw;gLk; re;jHg;gj;jpw;F cjhuzkhFk;.
njupT nra;ag;gl;l ve;jnthU Gs;sp gw;wpAk;
mt;tpirapiz %yk; Njhw;Wtpf;fg;gLk; jpUg;gj;ijf;
fUJNthk;.(glk; 3.1.15) xU tpirapd; gUkd; F vdTk;
,uz;L tpirfSf;Fk; ,ilapyhd Juk; d vdTk;
nfhz;lhy; tpir ,izapd; jpUg;gk; G=F.d MFk;.
,J KWf;fk; vd miof;fg;gLk;.
nghUnshd;wpd; rkepiyr; re;ju;g;gq;fsnghUnshd;wpd; rkepiyr; re;ju;g;gq;fsnghUnshd;wpd; rkepiyr; re;ju;g;gq;fsnghUnshd;wpd; rkepiyr; re;ju;g;gq;fsnghUnshd;wpd; rkepiyr; re;ju;g;gq;fs;
GtpaPu;g;G tpirf;Fk; mjw;F vjpuhd kWjhf;fj;jpw;Fk; fPo; rkepiyapy;
fhzg;gLk; nghUs;fs; gw;wp MuhAk; NghJ mtw;wpd; rkepiy
fPo;fhl;lg;gl;lthW fhzg;gLk;.
1. cWjpr;rkepiy 2. eLepiyahd rkepiy 3. cWjpapy; rkepiy
tpir(F)
O
X
glk; 3.1.14
glk; 3.1.15
O X
d
F
F
26
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glk; 3.1.16
1 2 3
cWjpr; rkepiy.cWjpr; rkepiy.cWjpr; rkepiy.cWjpr; rkepiy.cWjpr; rkepiy.
ntsp tpirnahd;iw toq;fp nghUis nkJthfg; Gul;l Kaw;rpj;J>
mt;tpir mfw;wg;gl;l gpd; nghUs; Muk;g epiyia .mg;nghUs; cWjpr;
rkepiyapy; cs;sJ vdf; $wg;gLk;.
eLepiyr;rkepiyeLepiyr;rkepiyeLepiyr;rkepiyeLepiyr;rkepiyeLepiyr;rkepiy
ntsptpirnahd;iw toq;fp nghUis nkJthfg; Gul;l Kaw;rpj;J mt;
;tpir mfw;wg;gl;l gpd; nghUs; Muk;g epiyia milahky; khw;wg;gl;l
miktpNyNa rkepiyailAkhapd; mg;nghUs; eLepiyr; rkepiyapy; cs;sJ
vdf; $wg;gLk;.
cWjpapy; rkepiycWjpapy; rkepiycWjpapy; rkepiycWjpapy; rkepiycWjpapy; rkepiy
ntsp tpirnahd;iw toq;fp nghUis nkJthfg; Gul;l Kaw;rpj;J mt;
tpir mfw;wg;gl;l gpd; mg;nghUs; NkYk; GuSkhapd; mg;nghUs; cWjpapy;
rkepiyap;y; cs;sJ vdf; $wg;gLk;.
NkNy Kjyhk;; glj;jpw; fhl;lg;gl;lthW Fopthf itf;fg;gl;l Xl;bd; mbapy;
ge;J itf;fg;gl;Ls;sjhff; fUJNthk;. ge;ij rpwpa tpirnahd;wpdhy; js;Sk;
NghJ xl;bd; Nky; gf;fkhfr; Rod;W NtW miknthd;wpw;F kpfr; rpukj;Jld;
nry;fpwJ. ifia ge;jpypUe;J mfw;wpaJk; kPz;Lk; gioa epiyia milfpwJ.
,t;thwhd rkepiy cWjpr; rkepiy vd miof;fg;gLfpwJ. ,t;thW cWjpr;
rkepiyapy; fhzg;gLk; nghUs; xd;wpy; jhf;Fk; rpwpa tpirapd; fhuzkhf mjd;
GtpaPu;g;G ikak; Nky; Nehf;fpa kl;lj;jpw;F nry;tjhy; rkepiy ghjpf;fg;gLtjpy;iy.
rkepiyiaf; Fiyg;gjw;fhf gad;gLj;jpa tpir mfw;wg;gl;l gpd; nghUs; jdJ
Kd;gpUe;j GtpaPu;g;Gikaj;ij Nehf;fp fPo; Nehf;fAk; mirAk;.
NkNy ,uz;lhk; glj;jpy; ge;J fpilahd jsk; xd;wpy; fhzg;gLtjhff; fUJNthk;.
ge;ij rpwpa tpirnahd;wpdhy; js;spaJk; jsj;jpy; NtNwhU ,lj;jpw;F ,aq;fp
mt;tplj;jpy; rkepiyailAk;. ,t;thwhd cWjpapy; rkepiyia milahj
tifapyhd rkepiy> eLepiyr; rkepiy vd miof;fg;gLk;. ,t;thW eLepiyr;
rkepiy fhzg;gLk; nghUs; xd;wpw;F rpwpa tpir xd;iwf; nfhLj;jhy; mjd;
GtpaPu ;g ;G ikak; NtW kl;lj;jpw;F khw;wg;glhky; ,Ug;gjhy; rkepiy
ghjpf;fg;gLtjpy;iy.
NkNy %d;whk; glj;jpy; fhl;lg;gl;Ls;sthW ge;J Ftpthd Xl;bd; Nky;
itf;fg;gl;Ls;snjdf; fUJNthk;. ge;ij kpfr; rpwpa tpirapd; %yk; js;spdhYk;
Xl;bypUe;J ge;J mfd;W fPo;;g; gFjpapy; cs;s mikit ,yFtpy; ngw;Wf;
nfhs;Sk;. ,t;thW rkepiyia ,yFtpy; Fog;gf;$bathwhd rkepiy tif
cWjpapy; rkepiy vd miof;fg;gLk.; ,t;thW cWjpapy; rkepiyapy; fhzg;gLk;
nghUs; xd;wpw;F rpwpa tpirnahd;iw toq;fpdhYk; mjd; GtpaPu;g;G ikak;
fPo;Nehf;fp NtW kl;lj;jpw;Fj; js;sg;gLtjhy; ,yFtpy; rkepiy FiyAk;.
27
,jpypUe;J nghUs; xd;wpd; rkepiyapy; GtpaPu;g;G ikak; nry;thf;Fr;
nrYj;Jfpd;wJ vd;gJ njspthfpwJ.
mjpfkhd fUtpfspd; cw;gj;jpapd; NghJ mtw;wpd; rkepiyiia mgptpUj;jp
nra;tjw;fhf gy cj;jpfs; gad;gLj;jg;gLfpdwd. Nkirapd Nky; > epyj;jpd;
Nky; itf;fg;gLk; nghUs;fspd cw;gj;jpapd; NghJ ,yFtpy; GuStijj; jLg;gjw;F
mtw;wpd; mbapd; njhopw;gLk; gug;G mjpfupf;fg;gl Ntz;Lk; vd;gJ njspT. mt;thwhd
rpy nghUs;fs; fPNo fhl;lg;gl;Ls;sd.(glk; 3.1.17)
mjpfkhd cgfuzq;fis cw;gj;jp nra;Ak; NghJ mtw;wpd; rkepiyia
mjpfupg;gjw;F Vw;w cj;jpfs; gad;gLj;jg;gl;Ls;sd. Nkirapd; NkYk; epyj;jpd;
NkYk; itf;fg;gLk; nghUl;fs; cw;gj;jpahf;fg;gLk; NghJ ,yFtpy; ftpo;tijj;
jLg;gjw;F mtw;wpd; mbapd; Nkw;gug;G mjpfup;f;fg;gl;bUg;gijj; njspthff;
fhzKbAk;. mt;thwhd rpy nghUl;fs; glj;jpy; fhl;lg;gl;L;ssd.
nghUspd; cauj;ijf; Fiwg;gjd; %yKk; GtpaPu;g;G ikak; mbf;F mUfhikapy;
nfhz;L nry;yg;gLfpwJ. nghUspd; fPo; kl;lj;jpd; jpzpit mjpfhpg;gjd; %yk;GtpaPHg;G
ikaj;ij mbf;Ff; fpl;Nl nfhz;L nry;yyhk;.
nghUspd; tbtj;ij my;yJ gUkid khw;wpaikf;f tpiriag;nghUspd; tbtj;ij my;yJ gUkid khw;wpaikf;f tpiriag;nghUspd; tbtj;ij my;yJ gUkid khw;wpaikf;f tpiriag;nghUspd; tbtj;ij my;yJ gUkid khw;wpaikf;f tpiriag;nghUspd; tbtj;ij my;yJ gUkid khw;wpaikf;f tpiriag;
gpuNahfpj;jy;gpuNahfpj;jy;gpuNahfpj;jy;gpuNahfpj;jy;gpuNahfpj;jy;
e Pq ;fs ; gytpj tbtq;fSila nghUl ;fisf ;
fz;bUg;gPu ;fs;. nghUs; xd;wpd; kPJ
nrYj;jg;gLk; gy;NtW tpirfs; fhuzkhf r p y
rkaq;fspy; nghUspd; gUkd; my;yJ NtW r p y
rkaq;fspy; nghUspd; tbtk; khw;wkilAk;.
c-k; fhw;Wjg;gl;Ls;s gYd;
xd;iwf; fUJNthk;. mjDs; NkYk;
fhw;WJk; NghJ mjd; mKf;fk; mjpfupf;Fk;. ,jd; tpisthf
mjd; fdtsT $Lk;.
fk;gpnahd;iw ,U gf;fj;jpDlhfTk; ,Of;Fk; NghJ mjd; ePsk; mjpfupf;Fk;
(glk; 3.1.19)
tisapd; kPJ tisfhypd; %yk; nrYj;jg;gLk; tpir fhuzkhf tis
fjpiu Nkir
glk; 3.1.17
P1
P2
mKf;fk; ;mKf;fk→ ;
g l k ;
3.1.18
→ →→,Oj;jy;
glk; 3.1.19
,Oj;jy;
28
tise;J NghFk;.
Nkirnahd;wpd; kPJ itf;fg;gl;Ls;s wg;gu; Fw;wpapd; kPJ mjd;
Nkw;gug;gpDlhf tpir nrYj;jg;gLk; NghJ mjd; tbtk; khw;wkilAk;.
nghUspd; kPJ tpir gpuNahfpf;fg;gLk; xd;Wf;nfhd;W khw;wkhd ntt;NtW
KiwfSf;Nfw;g tbtk; NtWgLk; KiwfSk; NtWgLk;.
,iofspYk; jz;LfspYk; mr;rpd; topNa tpir gpuNahfpj;jy;,iofspYk; jz;LfspYk; mr;rpd; topNa tpir gpuNahfpj;jy;,iofspYk; jz;LfspYk; mr;rpd; topNa tpir gpuNahfpj;jy;,iofspYk; jz;LfspYk; mr;rpd; topNa tpir gpuNahfpj;jy;,iofspYk; jz;LfspYk; mr;rpd; topNa tpir gpuNahfpj;jy;
ghupa Riknahd;iw cau;j;Jtjw;fhf ,iofSk; tlq;fSk; gad;gLj;jg;gLk;
NghJ mtw;wpd; ePsj;jpy; khw;wk; Vw;gLtij mtjhdpf;f KbAk;. ,e;ePs khw;wj;jpy;
gy;NtW fhuzpfs; nry;thf;Fr; nrYj;Jfpd;wd. ,ioapd; FWf;F ntl;Lg; gug;G
nghUspd; ,ay;G Nghd;w fhuzpfs; mjpy; nry;thf;Fr; nrYj;Jfpd;wd.
jz;Lfspd; kPJ mjd; mr;Rf;F nrt;tdhf tpiriag; gpuNahfpj;jy;jz;Lfspd; kPJ mjd; mr;Rf;F nrt;tdhf tpiriag; gpuNahfpj;jy;jz;Lfspd; kPJ mjd; mr;Rf;F nrt;tdhf tpiriag; gpuNahfpj;jy;jz;Lfspd; kPJ mjd; mr;Rf;F nrt;tdhf tpiriag; gpuNahfpj;jy;jz;Lfspd; kPJ mjd; mr;Rf;F nrt;tdhf tpiriag; gpuNahfpj;jy;
(tisj;jy;)(tisj;jy;)(tisj;jy;)(tisj;jy;)(tisj;jy;)
xU gf;fj;jpy; my;yJ ,uz;L gf;fj;jpYk; jhq;fpAs;s jz;Lfspd; kPJ
jz;Lf;F nrt;tdhf tpir nrYj;;jg;gLk; re;ju;g;gq;fSf;F cjhuzkhf Kid
nek;G> thfdq;fspd; tpw;wfLfs;> tisfs;> thfdr; rl;lfq;fs; Nghd;w
cWg;Gf;fisf; Fwpg;gplyhk;. ,it ,tw;wpw;Fr; nrt;tdhfr; nrYj;jg;gLk; tpir
fhuzkhf tisAk;. Nkw;gb tpir fhuzkhf jz;L tistjdhy; Vw;gLk; Njhw;w
khw;wk;> jz;bd; FWf;Fg; gug;gsT> jz;bd; ePsk;> jputpaj;jpd; gz;G Mfpatw;wpwF
Vw;g NtWgLk;.
Nfhy; xd;wpd; mr;irr; Rw;wp tpiriar; nrYj;jy; (KWf;fk;)Nfhy; xd;wpd; mr;irr; Rw;wp tpiriar; nrYj;jy; (KWf;fk;)Nfhy; xd;wpd; mr;irr; Rw;wp tpiriar; nrYj;jy; (KWf;fk;)Nfhy; xd;wpd; mr;irr; Rw;wp tpiriar; nrYj;jy; (KWf;fk;)Nfhy; xd;wpd; mr;irr; Rw;wp tpiriar; nrYj;jy; (KWf;fk;)
cNyhff; Nfhy; xd;wpd; xU Kidf;Fr; rhu;ghf kW Kidia mjd; mr;R
gw;wpr; nraw;gLk; KWf;fj;jpd; %yk; KWf;fg;gLk; NghJ mjd; FWf;F ntl;L
Kfk; tpfhukilAk;. ngUk;ghYk; Nkw;gb epfo;T RoYk; mr;Rj; jz;L (Rf;fhdj;
jz;L>mr;R ) Nghd;wtw;wpd; Jizg;ghfq;fspy; fhzg;gLk;.
tisfhypd; %yk;
tpir
gpuNahfpf;fg;gly;.
glk; 3.1.20
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wg;gu; Fw;wp wg;gu; Fw;wp
tpir
glk; 3.1.21
29
NfhsTUthd nghUs pd ; Nkw ; g u g ; g p w ;Fr ; nrq ;Fj ; j hf t pirNfhsTUthd nghUs pd ; Nkw ; g u g ; g p w ;Fr ; nrq ;Fj ; j hf t pirNfhsTUthd nghUs pd ; Nkw ; g u g ; g p w ;Fr ; nrq ;Fj ; j hf t pirNfhsTUthd nghUs pd ; Nkw ; g u g ; g p w ;Fr ; nrq ;Fj ; j hf t pirNfhsTUthd nghUs pd ; Nkw ; g u g ; g p w ;Fr ; nrq ;Fj ; j hf t pir
gpuNahfpj;jy;(Miuahf)gpuNahfpj;jy;(Miuahf)gpuNahfpj;jy;(Miuahf)gpuNahfpj;jy;(Miuahf)gpuNahfpj;jy;(Miuahf)
NfhsTUthd nghUs; xd;whd tspf; Fkpop;fs; kPJs;s ntspg;Gw mKf;fj;ij
mjpfupf;Fk; NghJ mjd; fdtsT FiwtilAk;. jLg;Gj; njhFjpapDs;
tspf;Fkpopfs;; rpiwg;gl;Ls;s NghJ jLg;G Kiwahf nraw;glhjpUg;gjw;fhd fhuzk;
Fkpo;fs; RUq;FtjdhyhFk;.
tpfhuk;tpfhuk;tpfhuk;tpfhuk;tpfhuk;
ahjhapDk; Nju;e;njLj;j tbtnkhd;wpd; kPPJ tpir gpuNahfpf;fg;gLk; NghJ
Muk;g mstPl;Lf;Fr; rhu;ghf> mstPl;by; Vw;gl;l khw;wk; tpfhuk; vd miof;fg;gLk;.
,q;F ePsk;> fdtsT Nghd;w Njhw;wj;jpDlhf ,dq;fhzf;$ba fzpaq;fs;
tbtkhff; fzpf;fg;gLk;.
,jd;gb mr;rpDlhf gpuNahfpff;fg;gLk; tpir fhuzkhf Vw;gLk; ,Oit
fhuzkhf ePsj;jpd; mjpfupg;G eilngWk; NghJ fhzf;$ba tpfhuk; ,Oit
tpfhuk; vdg;gLk;.
mKf;fk;; fhuzkhf ePsj;jpy; FiwT Vw;gLkhap;d;> Vw;glf;$ba tpfhuk;
mKf;f tpfhuk; vd miof;fg;gLk;.
mKf;f tpfhuk; = e/l = ePsj;jpy; Vw;gLk; FiwT / Muk;g ePsk;
wg;gu; ehlhf;fs;> cUf;Ff; fk;gpfs; Nghd;w jputpaq;fis ,Oitf;F
cl;gLj;Jtjd; %yk; ,Oit tpfhuj;jpw;fhd ngWkhdj;ijg; ngwyhk;. nghUs;
mKf;f Kbahjjhapd; mKf;f tpfhuj;jpd; ngWkhdj;ijg; ngw KbahJ. .
NkYk; rpke;jpdhyhd Nfhy;fis mKf;f KbAkhapDk; ,Oitf;F Mshf;Fk;
NghJ cile;J NghFk;. ,tw;wpd; ,Oit tpfhuk; gw;wp ftdpf;fg;glkhl;lhJ.
ahjhapDk; fdTUthd nghUs; xd;wpd; kPJ tpiriar; nrYj;jp
nra;ag;gLk; tbtopT Njhw;;w tbtkhff; fUjg;gLk;.
tpirapizfSf;fpilapyhd ,ilntsp (h)ck; >tbtj;jpd; khw;wkhf
Nkw;gug;gpy; Vw;gLfpd;w ,lg;ngau;r;rp x ck; Mapd;
vd tiutpyf;fzk; nra;ayhk.;
Nfhnyhd;W mjd; mr;R gw;wp gpuNahfpf;fg;gLk; tpirapdhy; KWf;fg;gLk;
NghJ Vw;gLtJ tbtopjyhFk;.
→
l
e
← →
←
;
=h
x = tan θtbtopT tpfhuk;
,Oit tpfhuk; =
l
e
=ePsmjpfupg;G
Muk;g ePsk;
l
emKf;f tpfhuk; = =
ePsj;jpy; Vw;gLk; FiwT
Muk;g ePsk;
←→l← → →
→←e
l← →
30
Nfhy; xd;W mjd; mr;R topNa tpirapd; %yk; Row;wg;gLk; NghJ nfha;T
(Shear) cz;lhfpwJ.
jifg;Gjifg;Gjifg;Gjifg;Gjifg;G
XuyF gug;gpd; kPJ nrYj;jg;gLk; tpiriaj;
jifg ;G vd ;gu ; . r py rkaq ;fs py ; ,J
mKf;fj;jpw;Fr; rkdhFk;. ePsj;jpd; mjpfupg;gpw;fhf
tpir gpuNahfpf;fg;gLk; NghJ my;yJ ePsj;ijf;
Fiwg;gjw;fhf tpir nrYj;jg;gLk; NghJ
,ioapd; my;yJ Nfhypd; FWf;Fg; gug;gpd; kPJ
Fwpj;j tpir nraw;gLk;. ,jd;gb
,Oit my;yJ mKf;fj; jifg;G
= v d f ;
fhl;lyhk;
,Oit my;yJ mKf;f jifg;G =
ngUk;ghyhd nghUl;fspy; gz;Gfs; gw;wp
fUJk; NghJ nghUspd; kPJ tpiria
nrYj;Jtjhy; jifg;G vy;iyapDs;
tbtk; khw;wkiljy; gw;wpa tpsf;fj;ijg;
ngw mjd ; jifg ; g p w ;Fk ;
tpfhuj;jpw;Fkpilapyhd tpfpjk; gw;wp
ftdk; nrYj;Jjy;
mtrpakhFk;.
,J kPs;jd;ikr; Rl;b vdg;gLk;. kPs; jd;ikr; Rl;b =
,Oitj; jifg;G=
tpfhuj; jifg;G =
tpir gpuNhahfpf;fg;gLtjdhy; ePsj;jpy; Vw;gLk; khw;wj;ijf; ftdpf;Fk;
NghJ mjw;fhd kPs;jd;ik Rl;b aq;qpd; Rl;b vd miof;fg;gLk;.
aq;qpd; Rl;b =
,Oit,Oit
,Oit
cijg;G
cijg;G
F.nt.gF.nt.g
x
jifg; G
tpfhuk;
tpir←
→ h
→tpir
θ
ttpir
gug;G
ttpir
njhLgug;G
,,Oit jifg;G
,Oit tpfhuk;
F
A
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31
3.2 3.2 3.2 3.2 3.2 ,af;fk;.,af;fk;.,af;fk;.,af;fk;.,af;fk;.
,af;f tiffs;,af;f tiffs;,af;f tiffs;,af;f tiffs;,af;f tiffs;
ePq;fs; mtjhdpj;Js;s ,af;ff; Nfhyq;fis epidT $Wq;fs;
♦ thd ntb xd;iwf; nfhSj;jp NkNy nrYj;jpdhy; mJ mjpf cauj;jpw;F
Neu;Nfhl;bd; topNa NknyOk;.
♦ fuk; tpisahl;bd; NghJ fuk; fha;fs; fuk; gyifapy; Neu; Nfhl;by;
,aq;Fk;.
,t;thwhd ,af;f tiffis Neu; Nfhl;L ,af;fj;jpw;F cjhuzkhff;
nfhs;syhk;
♦ irf;fps; tz;bapd; kpjp mjd; mr;irr; Rw;wp Roy;tij mtjhdpj;jpUg;Pu;fs;;
jPg;ge;jk; Rw;Wgtu; jd;idr;Rw;wp RoYtij fz;bUg;gPu;fs;.
,t;thwhd ,af;fq;fis tl;l ,af;fj;jpw;F cjhuzkhff;
nfhs;syhk;.
♦ fbfhuj;jpd; Cry; ,uz;L gf;fkhfTk; miytijf; fz;bUg;gPu;fs;.
njhq;Fk; kpd;tpsf;F fhw;wpy; mirtijf; fz;bUg;gPu;fs;
,t;thwhd ,af;fj;ij ,ir ,af;fj;jpw;fhd cjhuzkhff; nfhs;syhk;.
,t;tpaf;fq;fis mtjhdpf;Fk; NghJ vspa ,af;fk; %d;W
Nfhyq;fspy;
fhzg;gLtjhff; nfhs;syhk;
1. vspa Neu;Nfhl;L ,af;fk;
2. tl;l ,af;fk;
3. vspa ,ir ,af;fk;
ehq;fs; mtjhdpf;Fk; mjpfkhd ,af;fq;fis Nkw;Fwpg;gpl;l ,af;f tiffs;
gytw;wpd; fyitahf my;yJ NtWghLfshf ,dq;fhZjy; gpioahfhJ.
Neu;Nfhl;baf;fk;.Neu;Nfhl;baf;fk;.Neu;Nfhl;baf;fk;.Neu;Nfhl;baf;fk;.Neu;Nfhl;baf;fk;.
JuKk; ,.lg;ngau;r;rpAk;.JuKk; ,.lg;ngau;r;rpAk;.JuKk; ,.lg;ngau;r;rpAk;.JuKk; ,.lg;ngau;r;rpAk;.JuKk; ,.lg;ngau;r;rpAk;.
glk; 3.2.1 ,y; Fsj;ijr;Rw;wp cs;s ghij A apypUe;J B tiu
mk;Gf;Fwpapdhy; fhl;llg;gl;Ls;sJ. xUtd; A apypUe;J B tiu mk;Gf;Fwp
topNa nrd;why; mtd; nrd;w Juk; tistpd; ePsj;jpw;Fr; rkdhFk;. A apypUe;J
B ,w;F kpff;; fpl;ba Juk; xd;Ws;sJ. mJ A iaAk; B iaAk ,izf;Fk;
Neu;NfhlhFk;. A apypUe;J B ,w;Fs;s FWfpa Juj;jpw;F A apypUe;J B
,w;Fs;s ,lg;ngau;r;rp vdTk; $wyhk;. ,lg;ngaau;rpf;F xU jpir cz;L . mJ
AB jpirahFk;. ,jd; mbg;gilapy; ,uz;L mikTfSf;fpilapyhd fpl;ba
Juk; mjd; Muk;g miktpypUe;J ,uz;lhk; miktpw;fhd ,lg;ngau;r;rpahFk;.
B
A
glk; 3.2.1
Fsk;
32
fjpAk; NtfKk;.fjpAk; NtfKk;.fjpAk; NtfKk;.fjpAk; NtfKk;.fjpAk; NtfKk;.
,aq;Fk; vy;yhg;nghUs;fSk; Neuj;jpw;Nfw;g mikit khw;wpf; nfhs;fpd;wd.
mjhtJ xU Fwpg;gpl;l Juj;ijf; flf;fpwJ. XuyF Neuj;jpy; gazk; nra;j
Juk; fjp vd miof;fg;gLfpwJ.
fjp =
mjpfkhd ,af;fq;fs; Neu;Nfhl;bNy epfo;tjpy;iy. ,af;f Neuj;jpDs;
Fwpg;gpl;l jpir fhzg;glhj NghJ fjp jpiraw;w fzpakhff; fUjg;gLk;.
Neu;Nfhl;by; epfOk; ,af;fk; xd;wpy; Juk; ,lg;ngaur;rpahff;
fUjg;gLtjdhYk; Fwpg;gpl;l jpiriaf; nfhz;bUg;gjhYk; ,af;fj;jpw;fhd fjp
Ntfk; vd miof;fg;gLk;. ,jd; mbg;gilapy; Ntfj;jpw;F jpirAz;L.
XuyF Neuj;jpy Vw;gl;l ,lg;ngau;r;rp Ntfk; vd miof;fg;gLk;.
Ntfk; =
Ntfj;jpd; myF : nrf;fDf;F kPw;wu;> kzpf;Ff; fpNyhkPw;wu;.
Mu;KLfy;Mu;KLfy;Mu;KLfy;Mu;KLfy;Mu;KLfy;
Nkhl;lu; tz;bnahd;W ,af;fk; Muk;gpj;jjpypUe;J rpwpJ Neuk; tiu
mjd; fjp mjpfupg;gij mtjhdpj;jpUg;gPu;fs;;. ,t;thW Neuj;jpw;F Vw;g fjp mjpfupj;jy;
Mu;KLfy; vd miof;fg;gLk;.
,Nj Nghd;W Nkhl;lu; tz;bnahd;W Xa;tiltjw;F Kd; rpwpJ
Neuj;jpw;F mjd; fjp Fiwtiltij mtjhdpj;jpUg;gPu;fs;;. ,t;thW Neuj;jpw;F
Vw;g fjp Fiwtiljy; mku;;KLfy; vd miof;fg;gLk;.
Xu; myF Neuj;jpy; fjpapy; my;yJ Ntfj;jpy; Vw;gl;l mjpfupg;G Mu;KLfy;
vd miof;fg;gLfpd;wJ.
Mu;KLfy; = (,Wjp Ntfk; - Muk;g Ntfk); / Neuk;
Mu;KLfypd; myF: kPw;wu; nrf;fd;-
tpir gw;wpa epA+w;wdpd; Nehf;Ftpir gw;wpa epA+w;wdpd; Nehf;Ftpir gw;wpa epA+w;wdpd; Nehf;Ftpir gw;wpa epA+w;wdpd; Nehf;Ftpir gw;wpa epA+w;wdpd; Nehf;F
tpir gw;wp tpsf;fpa tpQ;Qhdp> Nru; Irhf; epA+w;wd; Mthu;. tpir
vd;gJ xU thf;fpaj;jhy; tpsf;fj;jf;f ,yFthd fzpak; my;yhtpbDk; tpir
vdg;gLtJ ehk; vy;yh NtiyfspYk; vy;yh ,lq;fspYk; fhZk; xU vspa
fzpakhFk;.
KO mfpyKk; vy;iyaw;W gy;NtW tpirfspd; nraw;ghLfshy;;
epuk;gpAs;sJ.
n jhtuj;jpypUe;J gok; tpOtJk; epyj;jpyhFk;.
n ePq;fs; caug;gha;e;jPu;fshapd; tpOtJk; epyj;jpyhFk;
ePq;fs; mtjhdpj;jpUg;gPu;fs;. mg;NghJ Njhd;Wk; js;Sjypd; my;yJ
ftu;r;rpapd; gUkd; fhe;j tpirahFk;.
cyu; jiy kapUld; cNuhQ;rp rpwpa fljhrpj; Jz;Lfspd; mUNf nfhz;L
nry;f. mf;fljhrpj; Jz;Lfs; Ngdhtpd; mUNf ,Of;fg;gLk;. ,J epiy kpd;
ftu;r;rp MFk;. ,f;ftu;r;rp tpirapd; gUkd; epiykpd;dpay; ftu;r;rp tpir vd
miof;fg;gLk;.
,lg;ngau;r;rp
Neuk;
Juk;
Neuk;
33
cq;fisg; ftHtijg; Nghd;Nw jhtuj;jpd; goj;ijAk; Gtp ftu; tjdhNyNa
mt;thW epfo;fpwJ. ,t;thW jpzpTfSf;F ,ilapyhd <u;g;G GtpaPu;g;G vd
miof;fg;gLfp;dwJ. GtpAk; Gtpapd; Nky; cs;s nghUl;fSk; khj;jpukd;wp
mt;tplj;jpy; cs;s vy;yhj; jpzpTfSk; ,;t;thW xd;iwnahd;W <u;g;igg;
Ngzpf;nfhz;bUf;fpd;wd.
VjhtJ xU nghUis cq;fshy; js;sf;$bajhf ,Uf;Fk;. my;yhtpbd;
cq;fis Nehf;fp ,Of;ff;$bajhf ,Uf;Fk;. nghUspw;F ,ilNa fhzg;gLk;
tpiria GtpaPu;g;G tpirahfNth js;StpirahfNth fUj KbahJ. mJ cq;fshy;;
nghUspd; Nky; Njhw;Wtpf;fg;gl;l nghwpKiw tpirahFk;. Gifapujg; ngl;bfs;
,Oj;Jr; nry;yg;gLtJ ,Oit my;yJ js;SjypdhyhFk;. ,e;j ,OitAk;
js;SjYk; nghwpKiwpirNaahFk;.
fhe;jq;fs; ,uz;bw;fpilNa epfOk; ftu;r;rp my;yJ js;Sifia ePq;fs;
mtjhdpj;jpUg;gPu;fs;. mg;NghJ Njhd;Wk; js;Sjypd; my;yJ ftur;rpap; gUkd;
fhe;j tpirahFk;.
.cyu;e;j gpshj;jpf;F Nghdhnthd;iw fk;gspj; Jzpapdhy; my;yJ jiy
kapUld; cNuhQ;rp rpwpa fljhrpj; Jz;Lfspd; mUNf nfhz;L nry;f. mf;fljhrpj;
Jz;Lfs; Ngdhtpd; mUNf ,Of;fg;gLk;. ,J epiy kpd; ftu;r;rp MFk;
,f;ftur;rp tpirapd; gUkd; epiykpd;dpay; ftu;r;rp tpir vd dmiof;fg;gLk;.
,t;thW ePq;fs; mtjhdpf;Fk; NghJ gy;NtW tpir tbtq;fs; Fwpj;j
jzpTfspd; Nky; njhopw;gLtJ xNu tpjj;jpyhFk;. rpy re;lju;g;gq;fspy; XNu
jpzptpy; gy tpirfs; js;Stij mtjhdpf;f KbAk;. gyu; xd;W Nru;e;J xU
thfdj;ijj; js;Stij mtjhdpj;jpUg;gPu;fs;. mr;re;ju;g;gj;jpy; thfdj;ijj;
js;Stjw;F gyupd; tpir gpuNahfpf;fg;gl;lJ. mNj Nghd;W fapW ,Of;Fk;
NghJ ,U FOtpdUk; fapw;iw ,U gf;fkhfTk; ,Og;gij mtjhdpj;jpUg;gPu;fs;
VjhtJ xU gf;fj;jpy; gpuNahfpf;fg;gLk; tpirapd; gUkd; mjpfupj;jhy; fapW
me;jg;gf;fkhf ,OgLk;.
nghJthf ftdpf;Fk; NghJ ve;jnthU nghUspd; kPJk; nraw;gLk;
gy tpirfspd; tpisTfis xU tpirapdhy; Fwpf;f KbAk;. ,J rkdwthd
tpir my;yJ tpisT tpir vd miof;fg;gLk;. vdNt jpzpnthd;wpd; kPJ
njhopw;gLk; rkdwthd tpir gw;wpf; fye;JiuahLjy; NghJkhdjhFk;.
Nru; Irhf; epA+w;wd; tpirfis %d;W tpjpfs; %yk; tpsf;fpdhu;.
1. jpzpnthd;wpd; kPJ rkdwthd Gw tpir xd;W jhf;fhjpUe;jhy;
mj;jpzpT njhlu;e;Jk; Xa;tpy; ,Uf;Fk;. my;yJ khwh Ntfj;Jld;
,aq;fpf;nfhz;L ,Uf;Fk;.
2. nghUs; xd;wpd; njhopw;gLk; rkdwthd tpir nghUspd; ce;jkhw;W
tPjj;jpw;F Neu; tpfpj rkdhFk;.
3. vy;yhj; jhf;fj;jpw;Fk; rkkhdJk; vjpuhdJkhd kWjhf;fk; fhzg;gLk;.
tl;l ,af;fk;tl;l ,af;fk;tl;l ,af;fk;tl;l ,af;fk;tl;l ,af;fk;
ahjhapDk; xU Gs;spia ikakhff; nfhz;L mjidg; gw;wp tl;lkhd
ghijapDlhf nry;Yk; nghUnshd;wpd; ,af;fk; tl;l ,af;fk; vdg;gLk;. RoYk;
,uhl;bdk; (nkupNfh uTz;l;) Rw;Wk; xUtu;> jPg;ge;jk; Rw;Wk; NghJ ghjj;jpd;
tl;lg; ghij> Gtpiag; gw;wpa re;jpudpd; gazk; vd;gd tl;l ,af;fj;jpw;fhd kpf
neUq;fpa cjhuzq;fshFk;.
34
tl;l ,af;fj;jpy; ,Uf;Fk; nghUnshd;wpd; ,af;fj;ij ,uz;L Kiwapy;
Fwpg;gplyhk;.
1. fjp
2. Nfhz Ntfk;
fjpfjpfjpfjpfjp(v)
tl;lg; ghijapy; gazpf;Fk; nghUs; xU myF Neuj;jpDs; tl;lkhd
ghijapy; gazpf;Fk; KOj;Juk; fjp MFk;.
Nfhz Ntfk; Nfhz Ntfk; Nfhz Ntfk; Nfhz Ntfk; Nfhz Ntfk; (ω)
tl;lkhd ghijapDlhf gazpf;Fk; xU nghUs; xU myF Neuj;jpDs;
G+uzg;gLj;Jk; Nfhzk; (Nfhz ,lg;ngau;r;rp) Nfhz Ntfk; vdg;gLk;. fPNo glj;jpy;
fhl;lg;gl;bUg;gJ nghUs; xd;wpd; tl;lkhd ghijapDlhf eilngWk; ,af;fj;jpd;
jd;ikahFk;.
t Neuj;jpd; gpd; mikT
S
Muk;g mikT
glk; 3.2.2
t Neuj;jpy; ghijapDlhf gazpj;Js;s Juk; s vdpd; Ntfk; s/t MFk;.
t Neuj;jpy; Vw;gl;Ls;s Nfhz ,lg;ngau;r;rp θ
Nfhz Ntfk; =
xU nghUs; tl;l ,af;fj;jpypUf;Fk; NghJ mJ vg;NghJk; jhd; ,aq;Fk;
ghijapd; ikaj;jpypUe;J tpyf KaYk;. ,ionahd;wpd; xU me;jj;jpy; nghUs;
xd;iwf; fl;b kw;iwa me;jj;jpy; gpbj;Jr; Rw;Wk; NghJ ,io ,Oitf;F cs;shFk;.
mg;NghJ ,io mWf;fg;gLkhapd; mJ Kjypy; gazpj;j ghijapypUe;J tpyfpg;
gazpf;Fk;. ,jd;gb vg;NghJk; nghUspd; kPJ ikaj;jpypUe;J tpyfpr; nry;Yk;
tpirnahd;W cs;snjd;gJ cWjpahfpd;wJ. ,t;tpirapid ikaeP;f;f tpir
vd;gu;.
Nkw;gb ika ePf;f tpiriaf; fl;Lg;gLj;jp nghUis tl;lkhd ghijapy;
nrYj;j ,ioapd; ,Otpir cjTk;. ikaePf;ftpirf;F vjpuhf cUthFk; Nkw;gb
kWjhf;fk; ikaehl;ltpir vdg;gLk;.
35
ika ePf;f tpir
ika ehl;l tpir
glk; 3.2.3
ikaePf;ftpir tl;lkhd ghijapy; gazk; nra;Ak; fjpahdJ Nfhz
Ntfjjpd;; kPJ jq;fpAs;sJ.
xU nghUs; tl;lg;ghijapDlhf mjpf fjpapy; nry;Yk; NghJ cs;s
ika ePf;f tpir nghUs; nkJthf gazpf;Fk; NghJs;s ika ePf;f tpirapYk;
ngUksT $baJ.
mjhtJ tl;lg;ghijapy; Miu khwhjpUf;Fk; NghJ nghUspd; ffjpia
mjpfupf;Fk; NghJ Nfhz Ntfk; mjpfupf;Fk;. Nfhz Ntfk; $Lk; NghJ ika
ePf;f tpir mjpfupf;Fk; vdTk; Nkw;Fwpg;gpl;lthW ,ioapy; fl;lg;gl;l nghUs;
xd;iw tl;lkhd ghijapy; gazpf;;fr; nra;Ak; gupNrhjidapd; %yk; fhl;lyhk;.
NkYk; tl;lg; ghijapd; Miuapd; kPJk; ika ePf;f tpir jq;fpAs;sJ.
khwhf;fjpapy; gazpf;Fk; nghUs; xd;wpd; gazg; ghijapd; Miuia mjpfupf;Fk;
NghJ ika ePf;f tpir FiwAnkdTk; khwh Nfhz Ntfj;jpy; gazpf;Fk; xU
nghUspd; gazg; ghijapd; Miuiaf; Fiwf;Fk; NghJ ika ePf;f tpir
mjpfupf;Fk; vdTk; fhzyhk;. mt;thNw nghUspd; jpzpT mjpfupg;gJk; ika ePf;f
tpir mjpfupg;gjw;F fhuzkhFk;.
,jd; gb nghUspy; epyTk; fjpia Fwpg;gpLk; fzpaj;jpd; (fjp my;yJ
NfhzNtfk;) kPJk; tl;lg; ghijapd; Miuapd; kPJk; ika ePf;f tpir jq;fpAs;sJ
vdf; Fwpg;gplyhk;.
jpzpT m MFk; nghUspd; ika ePf;f tpir F ck; Ntfk; v ck; Nfhz
Ntfk; ω ck; tl;lg;ghijapd; Miu r ck; Mapd; mtw;wpw;fpilapyhd njhlu;G
F = F= mrω2
tisTfSld; $ba ghijapy; tl;l ,af;fj;jpy; cs;s thfdnkhd;wpd;tisTfSld; $ba ghijapy; tl;l ,af;fj;jpy; cs;s thfdnkhd;wpd;tisTfSld; $ba ghijapy; tl;l ,af;fj;jpy; cs;s thfdnkhd;wpd;tisTfSld; $ba ghijapy; tl;l ,af;fj;jpy; cs;s thfdnkhd;wpd;tisTfSld; $ba ghijapy; tl;l ,af;fj;jpy; cs;s thfdnkhd;wpd;
rkepiyrkepiyrkepiyrkepiyrkepiy
tl;lkhd ghijapy; gazpf;Fk; thfdnkhd;wpd; kPJ nraw;gLk;
tpirfisf; fUJNthk;.
1. thfdj;jpd; epiw
2. ghijf;Fr; nrq;Fj;jhfr; nraw;gLk; kWjhf;fk;.
3. ika ePf;f tpir
4. ghijapd; cuha;T
36
kWjhf;fk;
ika ePf;f tpir
cuha;T tpir
epiw(GtpaPu;g;G tpir)
glk; 3.2.4
rkjsthd tl;lkhd ghijapDlhfg; gazpf;Fkf; thfdj;jpd;d kPJ nraw;gLk;
tpirf; Nfw;g gpd;tUk; tpirfs; %yk; tpirapizfs; cUthf;fg;gLfpd;wd.
♦ ika ePf;f tpirAk; cuha;T tpirAk;
♦ epiwAk; kW jhf;fKk;
Nkw;gb tpirapizfs; xd;Wf;nfhd;W vjpnujpu; jpirfspy; nraw;gLkhapd;
mit gUkdpy; xd;iw xd;W xj;jpUf;Fk;. MfNt thfdj;jpd; kPjhd tpisAs;
jpUg;gk; G+r;rpakhFk;. ,jdhy; thfdk; ghijapd; kPJ rkepiyahfg; gazpf;Fk;.
ahjhapDk; fzj;jpy; Nkw;gb tpirfSf;fpilapyhd rkepiy mw;Wg;
NghFkhapd; thfdk; Gusf; $Lk;. ghijapd; rha;T> cuha;Tf; Fzfk; Nghd;w
gupkhzq;fisj; jf;fthW rPuikj;Jf; nfhz;L Ntfj;jpw;Fg; nghUj;jkhd
rkepiyiag; ngwyhk;.
tl;l ,af;fj;jpd; NtW gad;fs;tl;l ,af;fj;jpd; NtW gad;fs;tl;l ,af;fj;jpd; NtW gad;fs;tl;l ,af;fj;jpd; NtW gad;fs;tl;l ,af;fj;jpd; NtW gad;fs;
ika ePf;f ePu;g; gk;gpika ePf;f ePu;g; gk;gpika ePf;f ePu;g; gk;gpika ePf;f ePu;g; gk;gpika ePf;f ePu;g; gk;gp
RoYk; KLf;fpapDs; ePu; Ntfkhf ntspNaWk;. mr;rkak; KLf;fpapd; kj;jpapy;
cUthFk; cau; mKf;fk; fhuzkhf ePuhdJ fpzw;wpypUe;J KLf;fpapd; kj;jp
tiu ghAk;. ,r;nraw;ghL njhlu;r;rpahf eilngw;W ePu; gk;gg;gLk;.
ikaehl;l tPo;gbTfis Ntwhf;Fk; fUtp
,urhadf; fiury;fspDs; cs;s tPo;gbTfis Ntwhf;f ,jidg;
gad;gLj;Jtu;. Ntfkhf RoYk; NghJ ghukhd nghUl;fs; tPo;gbTw;W ghj;jpuj;jpd;
mbapy; gbAk;.
ika ePf;f Msp
RoYk; Ntfj;jpw;Nfw;g ikaj;jpypUe;J ntspNa jpzpT js;sg;gLk;
Kiwnahd;iwg; gad;gLj;jp Mspnahd;iwr; nraw;gLj;Jk; nghwpKiwnahd;Wld;
$bathW ,f;fUtp jahupf;fg;gl;Ls;sJ. kpd; Nkhl;lu;fspDs; rpy re;ju;g;gq;fspy;;
Nkw;gb Msp gad;gLj;jg;gl;bUg;gijf; fhzyhk;.
cuha;T tpir
37
3.2.3. rf;jp 3.2.3. rf;jp 3.2.3. rf;jp 3.2.3. rf;jp 3.2.3. rf;jp / tY tY tY tY tY / tpirtpirtpirtpirtpir / tpidj;jpwd;tpidj;jpwd;tpidj;jpwd;tpidj;jpwd;tpidj;jpwd;
rf;jpAk; NtiyAk;rf;jpAk; NtiyAk;rf;jpAk; NtiyAk;rf;jpAk; NtiyAk;rf;jpAk; NtiyAk;
rf;jpAk; NtiyAk; xd;Wlndhd;W neUf;fkhd njhlu;igf; nfhz;l ,uz;L
fzpaq;fs; vdyhk;.
cq;fSf;F rf;jp cs;sjh vdf; Nfl;fg;gLk; NghJ “Mk;” vd ePq;fs;
tpil $WtPu;fs;. ,jd; %yk; ePq;fs; fUjpaJ cq;fSf;F Ntiy nra;Ak; Mw;wy;
cs;sJ vd;gjy;yth? Ntiy nra;Ak; NghJ cq;fsplkpUe;J rf;jp tpuakhFk;.
,jd;gb nghUl;fSf;Fk; rf;jp cs;sJ vdj; njspthFk;. ,t;thW Ntiy nra;Ak;
Mw;wiyr; rf;jp vd;fpNwhk;. nghUl;fspy; cs;s rf;jp gytifahFk;.
1) miktpw;Nfw;gg; ngWk; rf;jp - mOj;jr; rf;jp1) miktpw;Nfw;gg; ngWk; rf;jp - mOj;jr; rf;jp1) miktpw;Nfw;gg; ngWk; rf;jp - mOj;jr; rf;jp1) miktpw;Nfw;gg; ngWk; rf;jp - mOj;jr; rf;jp1) miktpw;Nfw;gg; ngWk; rf;jp - mOj;jr; rf;jp
mjpf cauj;jpypUe;J nghUnshd;iwf; iftpLk; NghJk; mJ epyj;jpy;
tpOk; NghJk; mjid Xa;tpw;F nfhz;L tu vLf;Fk; vj;jdj;ij nghUs; ,Ue;j
cauj;Jld; xg;gpLq;fs;. cauk; $ba ,lj;jpypUe;J nghUis Xa;T epiyf;F
nfhz;L tu mjpf vj;jdk; mtrpakhFk;. Fiwe;j cauj;jypUe;J iftpLk;
nghUis Xa;T epiyf;Ff; nfhz;Ltu rhu;gstpy; Fiwe;j vj;jdNk
mtrpag;gLk;.cauk; mjpfupf;Fk; NghJ mg;nghUs; nfhz;bUf;Fk; rf;jpapd; msT
mjpfupg;gNj ,jw;fhd fhuzkhFk;.
2) Ntfj;jpw;Nfw;g fpilj;Js;s rf;jp - ,af;fg;ghl;L rf;jp2) Ntfj;jpw;Nfw;g fpilj;Js;s rf;jp - ,af;fg;ghl;L rf;jp2) Ntfj;jpw;Nfw;g fpilj;Js;s rf;jp - ,af;fg;ghl;L rf;jp2) Ntfj;jpw;Nfw;g fpilj;Js;s rf;jp - ,af;fg;ghl;L rf;jp2) Ntfj;jpw;Nfw;g fpilj;Js;s rf;jp - ,af;fg;ghl;L rf;jp
Ntfkhf gazpf;Fk; xU nghUs; NtNwhu; nghUspd; kPJ NkhJfpd;wJ
vd;f. mg;NghJ Vw;gLk; ghjp;g;ig Ntfj;jpw;F Vw;g xg;gpLq;fs;. Ntfk; $ba
re;ju;g;gj;jpy; mjpf ghjpg;G Vw;gLk;. ,jw;Ff; fhuzk; mr;rkak; mjpy; mlq;Fk;
,af;fg;ghl;L;r; rf;jpNaahFk;.
3) tbtk; khw;wkiljy; fhuzkhf mlq;Fk; rf;jp - tpfhu rf;jp3) tbtk; khw;wkiljy; fhuzkhf mlq;Fk; rf;jp - tpfhu rf;jp3) tbtk; khw;wkiljy; fhuzkhf mlq;Fk; rf;jp - tpfhu rf;jp3) tbtk; khw;wkiljy; fhuzkhf mlq;Fk; rf;jp - tpfhu rf;jp3) tbtk; khw;wkiljy; fhuzkhf mlq;Fk; rf;jp - tpfhu rf;jp
kPs; jd;ikAs;s xU nghUspd; kPJ tpir nrYj;jp tbtj;ij khw;wp mJ
kPz;Lk; Kd;ida tbtj;ij milAk; NghJ mjdhy; Ntiy nra;a KbAk;.
,t;thW Ntiy nra;;a Mw;wy; ngWtij tpfhu rf;jp vd;gu;. cjhuzkhf-
neUf;fg;gl;Ls;s tpy;nyhd;iwf; fUJq;fs;. tpy;iy tpLtpf;Fk; NghJ Ntiy
nra;a KbAk;.
NtiyNtiyNtiyNtiyNtiy
ahjhapDk; jpzptpd; (m) kPJ tpir(F) fhuzkhf ngwg;gLk; ,lg;ngau;r;rp
(S) Map;d; (glk; 3.2.5.) gpuNahfpf;fg;gl;l tpirapdJk; ngwg;gl;l ,lg;ngau;r;rpapdJk;
ngUf;fj;ij nghwpKiw Ntiy vd;gu;.
nghwpKiw Ntiy = tpir x ,lg;ngau;r;rp
F x S
jpzpT
S
tpir jpzpT
glk; 3..2.5
38
nghUspd; mOj;jr; rf;jpnghUspd; mOj;jr; rf;jpnghUspd; mOj;jr; rf;jpnghUspd; mOj;jr; rf;jpnghUspd; mOj;jr; rf;jp
nghUs; xd;iw jiu kl;lj;jpypUe;J h
cauj;jpw;F cau;j;Jk; NghJ nghUspd;
jpzpT m vdf; fUJNthk;. nghJthf gpuNahfpf;f
Ntz;ba tpir epiwf;F vjpuhf gpuNahfpf;f
NeupLk;. mjw;Nfw;g h cauj;jpw;F
cau;j;j nra;aNtz;ba Ntiy = epiw x cauk;
= mgh
,jd;gb nra;ag;gl;l Ntiy rf;jpahf nghUspy; mlq;Fk;.
MfNt nghUspd; mOj;j rf;jp = mgh MFk;.
nghUspd; ,af;fg;ghl;L rf;jp nghUspd; ,af;fg;ghl;L rf;jp nghUspd; ,af;fg;ghl;L rf;jp nghUspd; ,af;fg;ghl;L rf;jp nghUspd; ,af;fg;ghl;L rf;jp nghUnshd;Wf;F mjd; fjp fhuzkhff; fpilj;
Js;s Ntiy nra;Ak; Mw;wNy ,af;fg;ghl;Lr; rf;jpahFk;. M jpzpTila
nghUnshd;Wf;F V fjpia toq;Ftjw;fhf Gwj;NjapUe;J nra;a Ntz;ba Ntiy
mjDs; ,af;fr; rf;jpahff; fsQ;rpag;gLj;jg;gLk;.
nghUspy; mlq;Fk; rf;jp= ntsptpir x ,lg;ngau;r;rp
= = ½ MV2 MFk;. vdNt nghUspy; nghjpe;Js;s
,af;fg;ghl;Lr; rf;jp =½ mv2 MFk;;.
nghUspd; tpfhu rf;jpnghUspd; tpfhu rf;jpnghUspd; tpfhu rf;jpnghUspd; tpfhu rf;jpnghUspd; tpfhu rf;jp
nghUspd; tbtj;ij khw;Wk; Kiwf;Nfw;g mjpylq;Fk; tpfhu rf;jp NtWgLk;.
,q;F Muk;g ePsj;jpYk; ghu;f;f e ePsk; Fiwf;fg;gl;l tpy;nyhd;W gw;wp fUJNthk;.
,jw;F F tpir gpuNahfpf;fg;gl;ljhapd; ,q;F nra;ag;gl;l Ntiy ½F.e MFk;.
MfNt tpy;ypDs; mlq;Fk; tpfhu rf;jp ½F.e MFk;.
rf;jpf; fhg;G tpjprf;jpf; fhg;G tpjprf;jpf; fhg;G tpjprf;jpf; fhg;G tpjprf;jpf; fhg;G tpjp
ntspapypUe;J rf;jp gpuNahfpf;fg;glhj NghJ nghUsp;d; rf;jp khwhjpUf;Fk;
vd;gJ ,jd; fUj;jhFk;. ,t;tpjpapd; gb nghUsp;d; rf;jp nghwpKiw rf;jp;ahf
,Uf;Fkhapd; nkhj;jg; nghwpKiw rf;jpAk; khwhJ ,Uf;Fk; vdyhk;. nghUspd;
epiyfis A, B vdf; fUJNthkhapd; (,af;fg;ghl;L rf;jp + mOj;j rf;jp + tpfhu
rf;jp )A
= (,af;fg;ghl;L rf;jp + mOj;j rf;jp + tpfhu rf;jp )B vd;gjhFk;.
rpy rkak; vy;yhr; rf;jpg; Ngjq;fSk; xNu nghUspDs; mlq;fpapUg;gijf;
fhz KbAk;.
tpiria epA+w;wdpYk;; ,lg;ngau;r;rpia kPw;wupYk;; ngWk; NghJ Ntiyia epA+w;wd;
kPw;wupy;; Fwpg;gplyhk;. Ntiyia rf;jp myFfspYk; Fwpg;gplyhk;.
,jd;gb epA+w;wd; kPw;wu; = xU A+y; MFk;.
,jid 1 Nm = 1 J vdf; fhl;lyhk;.
h
R
mg
R
mg
glk; 3.2.6
39
tYtYtYtYtY
Xu; myF Neuj;jpDs; cw;gj;jp nra;agg;gLk; my;yJ mjpfupf;fg;gLk; rf;jpap;d;
msit tY vd miog;gu;.
Neuj;ij nrf;fdpYk; rf;jpia A+ypYk; mse;jhy; tYit nrf;fDf;F A+ypy;
msf;fyhk;. ,J thw;W vd miof;fg;gLk;.
1 nrf;fDf;F A+y; = 1 thw;W
1 Js-1 = 1 W
jpwd; ( jpwd; ( jpwd; ( jpwd; ( jpwd; ( Efficiency ) ) ) ) )
Ntiyiag; gaDs;s tpjj;jpy; nraa;tijf; fhl;Lk; Kiwahf jpwidf;
Fwpg;gpLtu;. Fwpj;j Neuj;jpDs; Mw;wg;gl;l Ntiyapd; msT my;yJ rhu;gstpy;
epiwNtw;wg;gl;l Ntiy my;yJ gaDs;s Ntiyia jpwdhf tiuaWf;fyhk;.
NkYk; jpwd; rjtPjkhfTk;; Fwpg;gplyhk;
nra;ag;gl;l Ntiy = gag;G Ntiy
gaDs;s Ntiy = nga;g;G Ntiy
vdTk; rpy rkak; Fwpg;gpLtu;.
,jd; gb vd tiuaWf;fyhk;.
Ntiy
Neuk;tY =
rf;jp mjpfhpg;Gmy;yJ
Neuk;
«100 % jpwd; =ngwg;gl;l Ntiy
nra;ag;gl;l Ntiy
«100 % jpwd; =gag;G Ntiy
nga;g;G Ntiy
40
3.3 3.3 3.3 3.3 3.3 ghapfSk; ghapfspd; elj;ijfSk;ghapfSk; ghapfspd; elj;ijfSk;ghapfSk; ghapfspd; elj;ijfSk;ghapfSk; ghapfspd; elj;ijfSk;ghapfSk; ghapfspd; elj;ijfSk;
ghapfs;:ghapfs;:ghapfs;:ghapfs;:ghapfs;:
nghUs;fs; jpz;k> jput> thA epiyfspy; fhzg;gLk;. jput> thA epyikfspy;
fhzg;gLk; nghUl;fs; gha;e;J nry;Yk; ,ay;igf; fhl;Lk;. mj;Jld; jpz;kq;fisg;
Nghd;W jput> thAf;fSf;F epiyahd cUtkpy;iy. ghj;jpunkhd;wpy;
jputj;ijtpl;lhy; ghj;jpuj;jpd; cUtj;ijg; ngw;Wf;nfhs;tNjhL thAit
cl;nrYj;jpdhy; ghj;jpuk; KOtJk; mJ gutpf; fhzg;gLk;.
NkYk; ghapnahd;wpDs; jpz;kg; nghUl;fis cl;nrYj;j KbAk;. vdNt
jput thAf;fspd; elj;ijfs; jpz;kq;fspd; elj;ijapYk; NtWgl;ljhff;
fhzg;gLfpwJ. jputq;fspYk; thAf;fspYk; fhzg;gLk; Nkw;Fwpg;gpl;l elj;ijfs;
fhuzkhf jput> thA epiyfspy; fhzg;gLk; gjhu;j;jq;fs; ghapfs; vd
miof;fg;gLfpd;wd. gy;NtW njhopDl;gj; Njitfis epiwNtw;wpf; nfhs;tjw;F
ghapfs; gad;gLj;jg;gLfpd;wd.
ghapfspd; gad;ghLghapfspd; gad;ghLghapfspd; gad;ghLghapfspd; gad;ghLghapfspd; gad;ghL
ghapfspd; ghAk; jd;ik> KO ,lj;ijAk; milj;Jf;nfhs;Sk; jd;ik
Nghd;w ,ay;Gfs; >ntg;gj;ij cwpQ;Rk; Mw;wy;> rpwpa Jzpf;iffshf gjhu;j;jq;fs;
,yFtpy; gpupifailAk; Mw;wy; Nghd;w ,ay;Gfs;> thAf;fSf;Fk; jputq;fSf;Fk;
khj;jpuk; cupj;jhd NtW tpN~l ,ay;Gfs; vd;gd njhopDl;gj; NjitfSf;fhf
ghapfs; gad;gLj;jg;glf; fhuzkhf mike;Js;sd.
Fspu;j;Jk; ,ay;GFspu;j;Jk; ,ay;GFspu;j;Jk; ,ay;GFspu;j;Jk; ,ay;GFspu;j;Jk; ,ay;G
md;whlk; tPl;by; Fspu;j;Jk; NjitfSf;Fk; Nkhl;lu; thfdq;fspy;
vQ;rpd; Nghd;w cgfuzq;fspd; Fspu;j;Jk; Njitf;Fk; jputq;fSk; thAf;fSk;
gad;gLj;jg;gLfpd;wd. ghAk; jd;ik> ntg;gj;ij cwpQ;Rk; jd;ik Nkw;gug;Gf;fSld;
xd;whf njhLifAWk; jd;ik vd;gd Fspu;j;Jk; NjitfSf;fhf ghapfs;
gad;gLj;jg;gLtjw;fhd fhuzq;fshFk;.
krfhf krfhf krfhf krfhf krfhf (lubricant)
mjpfkhd ,ae;jpuq;fspy; gad;gLj;jg;gLk; ,ae;jpug; gFjpfs; xd;Wld;
xd;W njhLifAw;wthW ,aq;Ffpd;wd. mj;NjhL Nkw;gug;Gf;fs; xd;Wld; xd;W
cNuhQ ;Rk ; NghJ Nja ;tilAk ; . ,j ;Nja ;itf ; Fiwg ;gjw ;F njhL
Nkw;gug;Gf;fSf;fpilNa krF vz;nza; tplg;gLk;. mg;NghJ vz;nza;g;gilnahd;W
Nkw;gug;Gf;fSf;fpilNa jq;Fk;. ,jdhy; Nja;T FiwAk;. ,t;thW ,ae;jpug;
gFjpfSf;fpilapNy ghapfis ,Ltjd; %yk; Nja;itf; fl;Lg;gLj;Jk; Kiw
cuha;T ePf;fk;cuha;T ePf;fk;cuha;T ePf;fk;cuha;T ePf;fk;cuha;T ePf;fk; vd miof;fg;gLk;. mjw;Fg; gad;gLk; ghap> krF vd miof;fg;gLk;.
gy;NtW re;ju;g;gq;fspy; gad;gLj;jg;gLk; ghapfspd; ghAk; ,ay;G
re;ju;g;gj;jpw;Nfw;wthW njupT nra;ag;gly; Ntz;Lk;. mNj Nghd;W krfhfhfg;
gad;gLj;jg;gLk; ghapapdhy; njhL Nkw;gug;G <ukhf;fg;gly; Ntz;Lk;.
mKf;ff; fhuzpmKf;ff; fhuzpmKf;ff; fhuzpmKf;ff; fhuzpmKf;ff; fhuzp
mjpfkhd re;ju;g;gq;fspy; mKf;fk; Njhw;Wtpf;fg;gly;> ghuk; jhq;Fjy; Nghd;w
NtiyfSf;fhfTk; ghapfs; gad;gLj;jg;gLfpd;wd.(cjh. jput mKf;f cau;j;jp)
tspkz;ly mKf;fj;ij mstplg; gad;gLk; ghukhdpiaf; fUJNthk;. mq;F
41
glk; 3.3.2
jputk;
;
jput epuypd; cauk; tspkz;ly mKf;fj;ijr;
rkepiyg;gLj;Jtjhy; tspkz;ly mKf;fj;jpd; gUkd;
mwpag;gLfpwJ. thA neUf;fpfs; gad;gLj;jg;gl;L cau;
mKf;fj;jpw;F thfdq;fspd; lau; Nghd;w $WfSf;F
tsp epug;Gjy; Nghd;w NtiyfspYk; thAf;fs;
gad;gLj;jg;gLfpd;wd. ePu; kpd; cw;gj;jpapd; NghJ
Roypiar; Rw;Wtjw;Fj; Njitahd rf;jp ePupdhy;
Njhw ;Wt pf ;fg ;gLk ; mOj ;j
rf;jpapd; %yk; ngwg;gLtij ehk; fhzyhk;.
jput mKf;fk;jput mKf;fk;jput mKf;fk;jput mKf;fk;jput mKf;fk;
jputk; epug;gg;gl;l ghj;jpuk; xd;iwf; fUJNthk;. ,q;F
gy;NtW cauq;fspy; Jthuq;fs; cs;s NghJ fPOs;s
Jthuj;jpd; Clhf $ba fjpAlDk; NkYs;s Jthuj;jpd;
Clhf Fiwe;j fjpAlDk; ePu; gha;tij mtjhdpf;fyhk;.
(glk; 3.3.2)
jputk; xd;wpd; cs;Ns cs;s miknthd;wpy; mKf;fk;
jput epuypd; cauj;jpy; jq;fpAs;sJ vd;gJ NkNy fhl;ba
tpistpd; fhuzkhFk;.
jputnkhd;wpd; cs;Ns VjhtJ Xu; miktplj;jpYs;s
mKf;fkhdJ mt;tplj;jpd; Nky; cs;s jput jput epuypd;
%yk; XuyF gug;gpy; Njhw;Wtpf;fg;gLk; tpirahFk;.
FWf;F ntl;Lg;gug;G A MfTk; cauk; h MfTk; cs;s
jput epuy; xd;iwf;fUJNthk;. glk; 3.3.3. jputj;jpd; mlu;j;jp ρvdpd;
jput epuypd; epiw = hAρg
mg;NghJ Xa;tpYs;s jputk; xd;wpy; h Moj;jpy; cs;s Y vDk; Gs;spapy;
mKf;fk; = hAρg /A
= hρg
X ,y; mKf;fk; = Px = t.k.m.
Y,y; mKf;fk; = Py = hρg+t.k.m.
jput mKf;fj;jpy; jput epuypd; tbtk; nry;thf;Fr;Fr;
nrYj;Jtjpy;iy. vdNt gy;NtW tbtq;fisf; nfhz;l
ghj;jpuq;fis mbapd; Clhfj; njhLj;J ePupdhy; epug;gpdhy;
vy;yhg; ghj;jpuq;fspYk; ePu; kl;lk; xNu cauj;jpy; fhzg;gLk;.(glk; 3.3.4)
glk; 3.3.5 ,y; fhl;lg;gl;L s;sthW rpwpa FWf;F
ntl;Lg;gug;igAk; ngupa F.nt.gug;igAk; nfhz;l
,uz;L Foha;fis xd;Wlndhd;W njhLj;Js;Nshk;
vd epidf;f. Foha;fisj; jputj;jpdhy; epug;gp
Kryj;jpd; %yk; tpiriag; gpuNahfpj;J ,uz;L
gf;fq;fisAk; rkepiyg;gLj;jTk;. glk; 3.3.5
rkepiyg;gLj;Jtjw;F ,uz;L gf;fq;fspYk;
mKf;fk; rkdhf;fg;gly;
glk;
3.3.3
t.k.m
glk; 3.3.4
glk; 3.3.5
t.k.m
,urk;
42
Ntz;Lk;. ,jd; mbg;gilapy; ngupa Kryj;jpdhy; toq;fg;gLk; mKf;fk; rpwpa
Kryj;jpdhy; toq;fg;gLk; mKf;fj;jpw;Fr; rkdhFk;.
ngupa Kryj;jpdhy; toq;fg;gLk; mKf;fk; = rpwpa Kryj;jpdhy; toq;fg;gLk;
mKf;fk;
,jd; %yk; ngupa gug;nghd;wpy; gpuNahfpf;fg;gLk; ngupa tpirnahd;iw rpwpa
gug;nghd;wpy; gpuNahfpf;fg;gLk; rpwpa tpirnahd;wpdhy; rkepiyg;gLj;j KbAk;
vd;gJ njspthfpd;wJ.
tYtYtYtYtY CL flj;jpfs; CL flj;jpfs; CL flj;jpfs; CL flj;jpfs; CL flj;jpfs;
etPd ,ae;jpuq;fspy; tY CLflj;jypy; ,ae;jpug; gFjpfSf;Fg; gjpyhf
ghapfs; gad;gLj;jg;gLfpd;wd. thfdq;fspd; vd;rpd;fs;> kz; ntl;Lk; ,ae;jpuk;
Nghd;wtw;wpy; rf;jp toq;Fk; myFk; rf;jp gad;gLk; myFk; mUfUNf
,y;yhjpUg;gjhy; ,yFtpy; rf;jpia CLflj;Jtjw;F ghap gad;gLj;jg;gLfpwJ.
rf;jp CLflj;jg;gLk; NghJ ghap RUf;fk; milahky; ,Uj;jy; Ntz;Lk;.
mt;thW eilngwhtpbd; rf;jp tpuak; mjpfkhFk; vdNt njupT nra;ag;gLk;
ghap neUf;fUk; jfT nfhz;ljhf ,Uj;jy; Ntz;Lk; . tY
nrYj;jg;gLtjw;fhf ghapfs; gad;gLj;jg;gLk; NghJ tY toq;fy; ghapg;gk;gpapd;
%yk; nra;ag;gLtNjhL Kryj;jpd; my;yJ ghap Nkhl;lupd; nraw;ghl;bw;F tY
gad;gLjjg;gLfpwJ.(glk; 3.3.6)
NtW gad;ghLfs;NtW gad;ghLfs;NtW gad;ghLfs;NtW gad;ghLfs;NtW gad;ghLfs;
vupnghUl;fspd; jfdj;jpw;F Njitahd thAf;fyitiaj; jahupj;Jf;
nfhs;tjw;F #oypy; fhzg;gLk; tsp gad;gLj;jg;gLfpd;wJ. Nkhl;lu; thfd vQ;;rpd;>
tpkhd vQ;;rpd;> n[l; vQ;;rpd; Nghd;wd mjw;F cjhuzq;fshFk;.
,urhadg; nghUl;fs; rptpWk; NghJ mtw;iwj; jputq;fshfg; gad;gLj;jy;
,yFthFk;. rptpwpfisg; gad;gLj;Jtjd; %yk; jputq;fis ,yFthf rpW
Jzpf;iffshf khw;wpf; nfhs;s KbAk;. ,jdhy; ,iyfspd; Nky; ,yFtpy;
rptpwf;$bajhf ,Uj;jyhy; ,yFtpy; ,iyfs; <ukhf;fg;gLtjw;Ff; fhuzkhf
mikAk;.
ngupa Kryj;jpd; Nky; cs;s tpir rpwpa Kryj;jpd; Nky; cs;s tpir
ngupa Kryj;jpd; gug;G rpwpa Kryj;jpd; gug;G=
ghap Nkhl;lHghap gk;gp
,ul;;il njhopw;ghl;L Kryk;
ghap ntspNawy;
fl;Lg;hl;L
thy;T
ghap;
fl;Lg;hl;L
thy;T
ghapj; njhl;b
glk; 3.3.6
;
ntspNawy;
43
ghapfspd; ,ay;Gfs;ghapfspd; ,ay;Gfs;ghapfspd; ,ay;Gfs;ghapfspd; ,ay;Gfs;ghapfspd; ,ay;Gfs;
mlu;j;jp :mlu;j;jp :mlu;j;jp :mlu;j;jp :mlu;j;jp :
Xu; myFf; fdtsT ghapapd;; jpzpit mg;ghapapd; mlu;j;jpahff; fUJNthk;.
jpzpitf; fpNyhfpuhk; ,Yk; (kg)fdtsit fdkPw;wupYk; (m3) mstpLk; NghJ
ghapapd; mlu;;j;jp fdkPw;wUf;F fpNyhfpuhkpy; (kgm-3) ngwg;gLk;.
jputq;fisg; Nghyd;wp thAf;fs;; ntsp mKf;fk; fhuzkhf fdtsit
khw;wpf; nfhs;Sk;. vdNt mlu;j;jpiaf; Fwpg;gpLk; NghJ ntsp mKf;fk; Kf;fpaj;Jtk;
ngWfpwJ. ,Nj Nghd;W ntg;gepiyAlDk; jput> thAf;fspd; fdtsTk; khw;wk;
milfpwJ.
vdNt ghapapd; mlu;j;jpiaf; Fwpg;gpLk; NghJ ghap miw ntg;gepiyapYk;
tsp kz;;ly mKf;fj;jpYk; fhzg;gly; Ntz;Lk;. ePupd; mlu;j;jp fdkPw;wUf;F 1000
fpNyh fpuhk; MFk;. ePupy; fyf;fhj my;yJ jpz;kg; nghUl;fs; ePiu tpl mlu;j;jp
Fiwe;jjhapd; mJ ePupy; kpjg;gijAk; ePiu tpl mlu;j;jp $ba nghUl;fs; ePupy;
mkpo;tijAk; mtjhdpf;fyhk;.
mjpfkhd vz;nza; tiffs; ePupy; kpjf;Fk;. vdNt vz;nza; tiffs;
jPg;gw;Wk; NghJ mj;jPia mizg;gjw;F ePiug; gad;gLj;jy; rpwe;j jPaizf;;Fk;
Kiway;y.
fWth vz;nza;>vspjpy; MtpahFk; vz;nza;fs; Nghd;w jhtu vz;nza;fs;
ngwg;gLtjw;F ePupypUe;J vz;nza; ,yFtpy; Ntwhf;fg;gly; Ntz;Lk;. vdNt
mtw;wpw;fpilNa fhzg;gLk; mlu;j;jp tpj;jpahrKk; fyf;fhj jd;ikAk; ,q;F
Kf;fpaj;Jtk; ngWfpwJ.
gpRf;FikgpRf;FikgpRf;FikgpRf;FikgpRf;Fik
“jputnkhd;wpd; ghAk; jpwid fhl;Lk; fhuzp” vd gpRf;Fik miof;fg;gLfpwJ.
,yFtpy; gha;e;J nry;Yk; jputq;fs; gpRf;Fik Fiwe;jit vdTk; ,yFtpy;
gha;e;J nry;y Kbahj jputq;fs; gprf;Fik $bait vdTk; $wg;gLk;.
jputnkhd;wpd; gpRf;F jd;ik> gpRf;Fikf; Fzfk; vd;gjpdhy; $wg;gLk;.
,jd; mbg;gilapy; gpRf;Fikf; Fzfk; mjpfupg;gpd; ghAk; jd;ik FiwtilAk;.
mUtpg;gha;r;ry; ghaf;$ba XusT jputj;jpy; xt;nthU gilfspdJk; Ntfk;
jputj;jpd; gpRf;Fik fhuzkhf NtWgLk;. cjhuzkhf Fohnahd;wpDs; ghAk;
jputnkhd;iwf; fUjpdhy; mjd; xt;nthU gilapdJk; Ntfk; glj;jpy; fhl;lg;gl;lthW
mikAk;.
Fohapd; RtUf;F mz;ikapy; jputg;gilfs;;; Fiwe;j Ntfj;JlDk; Fohapd;
kj;jpapy; jputg; gilfs; cau; Ntfj;JlDk; fhzg;gLk; > fpilahf
Nkw;gug;gpDlhfg;; ghAk; jputnkhd;iwf; fUjpdhy; Nkw;gug;Gf;F mUNf fhzg;gLk;
jputq;fspy;; Fiwe;j Ntfj;JlDk; Juj;jpy; cs;s jputq;fs; $ba Ntfj;Jld;
,aq;Fk;.
glk; 3.37
44
njhopDl;gj; NjitfSf;F jputq;fisj; njupT nra;Ak; NghJ mjd; ghAk;
jd;ikAk; ftdj;jpw;nfhs;sg;gly; Ntz;Lk;. krFj; njhFjpfspy; gad;gLk; jputq;fspy;
eLj;jukhd gpRf;Fikf; Fzfk; fhzg;gly; Ntz;Lk;. G+r;Rg; G+Rk; NghJ
Njitf;Nfw;wthW gpRf;Fikf; Fzfj;ijf; fl;Lg;gLj;jpf; nfhs;sy;> G+Rtij
,yFthf;fpf; nfhs;tjw;F glyj;jpd; jbg;ig Njitahd mstpy; itj;Jf;
nfhs;tjw;Fk; rpf;fdj;ijf; filgpbg;gjw;Fk; cjTk;.
gug;gpOitgug;gpOitgug;gpOitgug;gpOitgug;gpOit
ghap kw;nwhU ghapapd; %yk; gpupf;fg;gLk; NghJ Njhd;Wk; gug;ig
mtjhdpf;Fk; NghJ mg;gug;G jdpg;gil Nghd;W njhopy;gLfpd;wJ. mijg; gpd;tUk;
cjhuzq;fs; %yk; tpsf;fpf; nfhs;syhk;.
♦ ePupd; Nky; G+r;rpfs; elj;jy;
♦ ePupd; Nky; Fz;^rp> rtu myF Nghd;wit kpjj;jy;
♦ gdpj;Jspfs; Fkpopfshff; fhzg;gly;
♦ rtu;f;fhuf; fiury; FkpopfshfTk;> EiuahfTk;
fhzg;gly;
jput gug;Gf;fspy; Jzpf;iffSf;Ff;fpilNa fhzg;gLk; gpizg;Gf;fspd;
td;ik> gug;gpOit vd miof;fg;gLk;. jputnkhd;W Fkpopahf Ntwhtjw;F Vw;w
Mw;wy;; gug;nghd;wpd; ,Oitapy; jq;fpAs;sJ. gug;nghd;wpd; ,Oit mjpfkhapd;
Fkpopfshf NtwhtJ jLf;fg;gLk;. ,jdhy; rhak; Nghd;w G+r;Rf;fs; ed;whf
G+rg;gLtjw;F rhaq;fspd; gug;gpOit cau; ngWkhdq; nfhz;ljhf ,Uj;jy;
Ntz;Lk;. kapu;j;Jisf; Foha;fspy; ePu; Nghd;w jputq;fs; NknyOtjw;Fk; ,urk;
Nghd;w jputq;fs; fPopwq;Ftjw;Fk; gug;gpOitNa fhuzkhFk;.
ghapfspd; ,ay;Gfspy; ntg;gepiyapd; nry;thf;Fghapfspd; ,ay;Gfspy; ntg;gepiyapd; nry;thf;Fghapfspd; ,ay;Gfspy; ntg;gepiyapd; nry;thf;Fghapfspd; ,ay;Gfspy; ntg;gepiyapd; nry;thf;Fghapfspd; ,ay;Gfspy; ntg;gepiyapd; nry;thf;F
jputnkhd;wpd; ntg;gepiy caUk; NghJ mjd; Jzpf;iffspd; ,af;f
rf;jp mjpfupg;gjdhy; Jzpf;iffSf;fpilapyhd Juk; mjpfupf;Fk;. vdNt fdtsT
mjpfupf;Fk;. jpzpT khwhjpUg;gjdhy; myFf; fdtsTj; jpzpT Fiwe;j ngWkhdk;
xd;iwg; ngWk;. mjhtJ ntg;gepiy mjpfupf;Fk; NghJ ghapapd; mlu;j;jp
FiwtilAk;. mJ fly; ePupy; tpN~l ,ay;nghd;iwf; fhl;Lfpd;wJ. ePupd; ntg;gepiy
00C apypUe;J 40C tiu cau;tilAk; NghJ ePu; xLq;FfpwJ. mj;Jld; 40C
apypUe;J mJ tpuptilfpwJ. vdNt 40C apy; mJ mjd; cau; mlu;j;jpiaf;
fhl;LfpwJ. ePu ; gdpf;fl;bia tpl cau; ngWkhdKila mlu;j;jpiaf;
nfhz;bUg;gjhNyNa gdpf;fl;b kpjf;fpwJ.
;
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glk; 3.3.8
45
ntg;gepiy mjpfupf;Fk; NghJ jputj; Jzpf;iffSf;fpilapyhd Juk;
mjpfupg;gjhy; mtw;wpw;fpilapyhd gpizg;G FiwfpwJ. ,jdhy; gpRf;Ff; Fzfk;
Fiwtilfpd;wJ. mNj Nghd;W gug;gpOitAk; Fiwfpd;wJ. Nkhl;lu; thfdq;fspy;
ntg;gepiy mjpfupf;Fk; NghJ krF vz;nzapd; gpRf;Ff;; FzfKk; FiwfpwJ.
,jdhy; krFj; jd;ik Fiwtjw;F ntg;gepiy cau;T fhuzkhf mikfpd;wJ.
ghapnahd;wpy; Nrkpf;fg;gl;Ls;s rf;jpghapnahd;wpy; Nrkpf;fg;gl;Ls;s rf;jpghapnahd;wpy; Nrkpf;fg;gl;Ls;s rf;jpghapnahd;wpy; Nrkpf;fg;gl;Ls;s rf;jpghapnahd;wpy; Nrkpf;fg;gl;Ls;s rf;jp
jpwe;j ntspapy; jputk; NkypUe;J fPo;Nehf;fpg; ghAk; NghJ Ntfk; mjpfupg;gij
ehk; mwpNthk;. vdNt fPo; Edp gFjpastpy; %lg;gl;l Fohapd; Clhf ePu; ghAk;
NghJ Nky; Edpapd; Ntfk; (V1)> fPo; kl;l Ntfk; (V
2) Mfpa ,uz;Lk; rkdhFk;.(glk;
3.3.10) jputk; ghAk; Ntfk;
khw;wg;gLtjw;F Fohapd; FWf;F
ntl;Lg; gug ;G khw;wg ;gLjy;
Ntz;Lk;. FWf;F ntl;Lg;gug;G
$ba Fohapd; Clhf Fiwe;j
Ntfj;JlDk; FWf;FntlLg; gug;G
Fiwe;j Fohapd; Clhf $ba
Ntfj;JlDk; ghAk;.
(glk; 3.3.11)
,af;f rf;jp vdg;gLtJ VjhtJ
xU nghUs; mjd; Ntfj;jpd;
fhuzkhff; nfhz;Ls;s rf;jpahFk;. mjd; mbg;gilapy;
jputj;jpd; Ntfj;jpw;fhd myFf; fdtsT nfhz;Ls;s ,af;f rf;jp ½ ρv2vDk;
Nfhit %yk; toq;fg;gLk;.
jputk; VjhtJ xU cauj;jpy; fhzg;gLk; NghJ jputk; nfhz;Ls;s rf;jp
mOj;j rf;jp vd miof;fg;gLfpwJ. mjd; mbg;gilapy; jputk; xd;wpd; Xu; myFf;
fdtstpd; mOj;j rf;jp ρgh vDk; Nfhit %yk; ngwg;gLk;.
glk; 3.3.10
glk; 3'3'11
V1
V2
mlu;j;jp
ntg;g epiy00C 40C 100C
glk; 3.3.9
46
jputk; Xuplj;jpypUe;J kw;Nwhu; ,lj;jpw;F Fohnahd;wpd; Clhf ghAk;
NghJ xt;nthU miktpdJk; cauj;jpw;Nfw;g mOj;j rf;jpiaAk; > Fohapd
FWf;F ntl;Lg; gug;gpw;Nfw;wthW ,af;f rf;;jpAk; fhzg;gLk;. Fohapd; Clhf
jputk; gha;tjw;F gpuNahfpf;fg;gLk; mKf;fj;jpd; fhuzkhf $ba mKf;fj;jpypUe;J
Fiwe;j mKf;fj;ij Nehf;fp jputk; ghAk;. mjd; mbg;gilapy; xU
miktplj;jpypUe;J kw;Nwhh; miktplj;jpw;F jputk; js;sg;gLk; NghJ Vw;gLk;
mKf;f khw;wk; jputj;jpy; cz;lhd rf;jp khw;wj;jpw;Fr; rkdhFk;.
jputk; x ,ypUe;J y Nehf;fp ghAk; NghJ y ,Ys;s mKf;fj;ij tpl
x ,Ys;s mKf;fk; caHthf ,Uj;jy; Ntz;Lk;.
P x > Py
vdNt x ,ypUe;J y Nehf;fp ghAk; NghJ fhzg;gl Ntz;ba mKf;f
NtWghL
P x − Py MFk;.
x ,ypUe;J y ,w;Fg; ghAk; NghJ jputk; ngw;Wf; nfhs;Sk; rf;jp
= (,af;f rf;jp + mOj;j rf;jp )x - (,af;f rf;jp + mOj;jrf;jp
)Y
,jdbg;gilapy; jputk; ghAk; ve;jnthU
FWf;F ntl;Lg; gug;gpdJk; mKf;f rf;jp> mOj;j
rf;jp> ,af;f rf;jp vd;gdtw;wpd; $l;Lj;njhif xU
khwpypahFk; . . ,r;rf ;jp gy;NtW njhopDl;gj;
NjitfSf;Fk; gad;gLj;jg;glyhk;.
ngupa FWf;F ntl;Lg; gug;gpd; Clhf rpwpa
FWf;F ntl;Lg; gug;gpw;F jputk; ghAk; re;ju;g;gk; xd;iwf; fUJNthk;.
X ck; Y ck; xNu fpilahd jsj;jpy; fhzg;gLtjhy; mOj;j rf;jp
xd;wpw;nfhd;W rkkhapDk; X,Y ; vd;gtw;wpd; Ntfk;> Vx IAk; V
y IAk; fUjpdhy;
Vx < V
y MFk;. Nkw;Fwpg;gpl;l rf;jpj; njhu;gpd; gb X ,d; rf;jp P
x vdTk; y ,d; rf;jp
Vx
Vy
xPx
y
h
Py
= 2
1p(v
y
- vx )+ pg (h
y- h
x)
= mKf;f rf;jp ghap ngw;w rf;jp
= 2
1 ρ(vy
- vx )+ ρg (h
y- h
x)p
x - p
y
= 2
1 ρvy
2 +ρhyg -
2
1 ρvx
2- ρhxg
= py +
2
1 ρvy2 + ρgh
yp
x +
2
1 ρvx2 + ρgh
x
glk; 3.3.12
47
glk; 3.3.14
fhw;W fhw;W
gha;kuf;fg;gy;fhw;wpypUe;J
kpd;rhuk;
ePu;r;rf;fuk;
X
Y
glk; 3.3.13
Py vdTk; nfhz;lhy; Px> Py MFk;.
rpwpa FWf;F ntl;Lg; gug;gpypUe;J ngupa FWf;F ntl;Lg; gug;gpw;F jputk;
ghAk; NghJ eilngWtij rptpwy; njhopw;ghl;Lld; xg;gpLNthk;. (glk; 3.3.13)
r pt p w pa pd ; %f ;F Ed p k pf nky ;y pa
JthukhapUg;gjhy; mf;FWf;F ntl;Lj; Jthuj;jpd; Ntfk;
jpwe;j #oypy; fhzg;gLk; ntspapy; jput Ntfj;jpYk;
mjpfkhFk;. ,uz;L gf;f mikTfSk; X,YMFk; NghJ
,U gf;f Ntfq;fSk; Vx
> Vy vdf; fhzg;gLk;.
Nkw;Fwpg;gpl;l rf;jp njhlu;gpd; gb X,Y ,d; mKf;fk;
Px< P
y MFk;. vdNt Y vDk; gFjpapypUe;J X gFjpf;F
ntspapYs;s jputk; ,OgLk;. vdNt rptpwy; ghap
mUNfAs;s Fohap %yk; X Nehf;fp ,OgLk;.
ghapfs; nfhz;Ls;s ,af;f rf;jpapd; %yk; gy njhopDl;gj; Njitfs;
epiwNtw;wg;gl;Ls;sd. fhw;wpd; %yk; kpd;rhuk; ngwy;>gha;kuf;fg;gy; ePu;r;Royp vd;gd
,jw;F cjhuzkhFk;.(glk; 3.3.14)
(fhw;whiy)
48
ntg;gk;ntg;gk;ntg;gk;ntg;gk;ntg;gk;
ntg;gepiy
mjpfkhd re;ju;g;gq;fspy; gad;gLj;jg;gLk; #L vDk;; nrhy; gw;wpa tpsf;fk;
cq;fSf;F ,Uf;Fk;. #L vDk; gjj;ij tpQ;Qhd Kiwapy; tpsf;Fk; NghJ mJ
ntg;gepiy vd miof;fg;gLk;.
ntg;gepiy my;yJ #L xU rhu;ngWkhdk; vd rpW tajpypUe;Nj
,zq;fz;bUg;gPu;fs;. jhapd; kbapy; cs;s Foe;ijf;F jhapd; #l;il czUk; .
mLg;gpd; mUNf epw;Fk; NghJ cq;fSf;Fk; mjd; #l;il czuf;$bajhf
,Ue;jpUf;Fk;. mNjNghd;W Fsp&l;bapy; cs;s nghUspy; #L czug;gLtjpy;iy.
mit Fspuhd nghUl;fs; vd ePq;fs; mwptPu;fs;. mjw;Ff; fhuzk; Fspu;
nghUl;fSf;Fr;; rhu;ghf ePq;fs; #lhf ,Ug;gNjahFk;.
,t;thW ntg;gepiyia tiutpyf;fzg;gLj;Jk; NghJ mbg;gilahff;
nfhs;s Ntz;ba #l;bd; msT G+r;rpakhff; fUjg;gly; Ntz;Lk;. ntg;gepiyia
mstpl gy;NtW myFfs; gad;gLj;jg;gLfpd;wd. cjhuzkhf nry;rpa]; (((((°C)>
nfy;tpd; (K) vd;gd mtw;Ws; rpythFk;.
nry;rpa]; msTj; jpl;lk; (nry;rpa]; msTj; jpl;lk; (nry;rpa]; msTj; jpl;lk; (nry;rpa]; msTj; jpl;lk; (nry;rpa]; msTj; jpl;lk; (°C)
rhjhuz xU tsp kz;ly mKf;fj;jpy; ePu; ciwAk; ntg;gepiy
G+r;rpakhfTk; ePu; nfhjpf;Fk; ntgg;gepiy mjhtJ nfhjpepiy 100 vdTk;
nfhs;sg;gl;L mtw;wpw;fpilapyhd ,ilntsp; 100 rk gq;Ffshfg; gpupf;fg;gl;L mjpy;
xU gq;F 1°C vd miof;fg;gLfpwJ.
nfy;tpd; msTj;jpl;lk; (nfy;tpd; msTj;jpl;lk; (nfy;tpd; msTj;jpl;lk; (nfy;tpd; msTj;jpl;lk; (nfy;tpd; msTj;jpl;lk; (K)))))
,t;tyF jdp ntg;gepiy myF vdTk; miof;fg;gLfpd;wJ. SI myfpy;
ntg;gepiyia mstpLtjw;F ,t;tyF gad;Lj;jg;gLfpwJ. nfy;tpd; myfpd;
myFg; gUkd; nry;rpa]; myfpd; myFg; gUkdpw;F rkkhff; fUjg;gLtNjhL xU
tsp kz;ly mKf;fj;jpy; ePupd; ciwepiy 273 ·15 K vdTk; nfhs;sg;gLfpwJ.
ePupd; nfhjpepiy 100 °C 373 ·15 K
· ·
·
ePupd; ciwepiy 0 °C 273 ·15 K
guidw;W msTj;jpl;lk; guidw;W msTj;jpl;lk; guidw;W msTj;jpl;lk; guidw;W msTj;jpl;lk; guidw;W msTj;jpl;lk; ( ( ( ( (°F)
ntg;gepiy mstplg; gad;gLk; fUtpfspy; jw;NghJk; ,t;tstPL
gad;gLj;jg;gLfpd;wJ.. ,t;tyfpd; mbg;gilapy; ePupd; ciwepiy 32 oF vdTk;
mjd; nfhjpepiy 212 °F vdTk; nfhs;sg;gLfpwJ. RfNjfpahd xUtupd; cly;
ntg;gepiy 98 ·4°F vd;gij ePq;fs; mwpe;jpUg;gPu;fs;.
°
49
→←ntg;gk;
cah; ntg;g
epiyapy;
cs;s nghUs;
jho;ntg;g epiyapy;
cs;s #oy;
←← →
↓
cah; ntg;g
epiyapy;
cs;s
nghUs;
jho; ntg;g
epiyapy;
cs;s nghUs;→
→→
→
←jho;ntg;gepiy
apYs;snghUs;
↑
→
↓
cau; ntg;gepiy
apYs;s #oy;
ntg;gk;ntg;gk;ntg;gk;ntg;gk;ntg;gk;
ntg;gk; vdg;gLtJ rf;jpapd; xU tbtkhFk;. ntg;gj;ij mwpaKd;
ntg;gepiyf;Fk; ntg;gj;jpw;Fk; ,ilapyhd njhlu;ig ,dq;fz;L nfhs;sy;
Kf;fpakhdjhFk;.
rlg;nghUs; Jzpf;iffs; ve;j NeuKk; Xa;tpd;wp ,aq;fpf;nfhz;Nl ,Uf;Fk;.
,j;Jzpf;iffspd; ,af;f rf;jp gw;wpa xU fzpg;ig ntg;gepiy %yk; ngw;Wf;
nfhs;s KbAk;. rlg;nghUs; Jzpf;iffspd; ,af;f rf;jpia cau;j;Jk; NghJ
ntg;gepiyAk; cau;g; ngWkhdj;ijg; ngWfpwJ. mNj Nghd;W ,af;f rf;jpiaf;
Fiwtilar; nra;tjhy; ntg;gepiyAk; fPopwq;Fk;. rlg;nghUs; xd;W ntg;grf;jpiag;
ngw;Wf; nfhz;lhy; mjd; ntg;gepiyiaAk; cau;j;jpf;nfhs;Sk;. ,Nj Nghd;W
ntg;grf;jpia ,oe;jhy; ntg;gepiyAk; FiwtilAk;.
cau; ntg;gepiyapy; cs;s nghUs; xd;W jho; ntg;gepiyapy; cs;s
#oypy; fhzg;gLk; NghJ my;yJ nghUs; xd;iwj; njhl;Lf; nfhz;bUf;Fk;
NghJ ntg;gk; ntspaplg;gLtijAk; jho; ntg;gepiyapy; cs;s #oy; my;yJ
nghUs; ntg;gj;ij cwpQ;rpf;nfhs;tijAk; mwpaKbAk;.
mNj Nghd;W jho; ntg;gepiyapYs;s nghUs; cau; ntg;gepiyapYs;s
#oypy; my;yJ nghUspypUe;J ntg;gj;ijg; ngw;Wf;nfhs;Sk;.
;
,t;thW ntg;gk; gha;jy; md;whl tho;tpy; gy;NtW Ntiyfspd; NghJ
gpuNahfuPjpapy; eilngWtij cq;fshy; mwpe;Jnfhs;sKbAk;.
ntg;gk; CLflj;jg;gly;ntg;gk; CLflj;jg;gly;ntg;gk; CLflj;jg;gly;ntg;gk; CLflj;jg;gly;ntg;gk; CLflj;jg;gly;
ntg;gk; Xuplj;jpy; ,Ue;J kw;Nwhu; ,lj;jpw;F nfhz;Lnry;yg;gly; ntg;g
CLflj;jy; vd miof;fg;gLk;. ntg;g CLflj;jy; %d;W Kiwfspy; epfo;fpwJ.
1. flj;jy;
2. cld;fhTif
3. fjpu;g;G
50
ntg;g flj;jy;ntg;g flj;jy;ntg;g flj;jy;ntg;g flj;jy;ntg;g flj;jy;
Jzpf;iffs; xd;Wld; xd;W ,ize;J my;yJ njhl;Lf; nfhz;bUf;Fk;
NghJ xU Jzpf;ifapy; cs;s ,af;f rf;jp mUNfAs;s Jzpf;iff;F
toq;fg;gLfpd;wJ. mjdhy; mjd; rf;jpAk; mjpfupf;fpwJ. ,t;thW rf;jp nfhz;L
nry;yg;gly; ntg;gf; flj;jy; vd miof;fg;gLk;.
nghUs; xd;wpd; Clhf ntg;gk; nfhz;L nry;yg;glypy; rpy gpujhd fhuzpfs;
nry;thf;Frr; nrYj;Jfpd;wd. mitahtd:
1. ntg;gk; nfhz;L nry;yg;gLk; Clfj;jpd; FWf;F ntl;Lg; gug;G
2. Clfj;jpd; ,U gf;fj;jpYk; fhzg;gLk; ntg;g epiy tpj;jpahrk;
3. ntg;gepiy tpj;jpahrk; fhzg;gLk; Kfq;fSf;fpilapyhd Juk;
4. nghUspd; ,ay;G
gy;NtW nghUl;fspd; Clhf ntg;gk; flj;jg;gLjy; xd;wpw;nfhd;W
NtWgLtjw;fhd fhuzk; nghUspd; ,ay;gpy; Vw;gLk; khw;wNkahFk;. ,ij
mstpLtjw;F ntg;gf; flj;jhW vDk; fzpak; gad;gLj;jg;gLfpwJ.
ntg;gk; kpf ,yFthff; flj;jg;gLk; nghUl;fspd; ntg;gf;flj;jhW cau;
ngWkhdj;ijf; nfhz;ljhfTk;> ntg;gf; flj;jiyj; jLf;Fk; nghUl;fspd; ntg;gf;
flj;jhW Fiwe;j ngWkhdj;ijf; nfhz;ljhfTk; fhzg;gLk;. ntg;gf; flj;jhW
cau; ngWkhdq;nfhz;l nghUl;fs; ntg;gf; flj;jpfs; vdTk; ntg;gf;flj;jhW
Fiwe;j ngWkhdq; nfhz;l nghUsfs;> ntg;gf ; fhtypfs; vdTk;
miof;fg;gLfpd;wd.
ntg;gk; ghAk; tPjk;ntg;gk; ghAk; tPjk;ntg;gk; ghAk; tPjk;ntg;gk; ghAk; tPjk;ntg;gk; ghAk; tPjk;
♦ ntg;gk; ghAk; Clfj;jpd; FWf;F ntl;LKfg; gug;gpw;F NeuhdjhfTk;
♦ ntg;gepiy tpj;jpahrk; fhzg;gLk; Nkw;gug;Gf;fspd; ,ilntspf;F
vjpuhdjhfTk;
♦ Clfj;jpd; ,Ugf;f ntg;gepiyfspd; tpj;jpahrj;jpw;F NeuhdjhfTk;
fhzg;gLk;.
Mf;fj;jpw;fhf jputpaq;fisj; njupT nra;Ak; NghJ ntg;gf; flj;jhWld;
rk;ge;jg;gl;l Nkw;Fwpg;gpl;l ,ay;Gfs; ftdj;jpw; nfhs;sg;gly; Ntz;Lk;.
cld; fhTifcld; fhTifcld; fhTifcld; fhTifcld; fhTif
ntg;gj;ij cwpQ;rp ntg;gkhd my;yJ ntg;gj;ij ntsptpl;L FspUk;
Jzpf;iffs; Xuplj;jpypUe;J ,d;Ndhu; ,lj;jpw;F mirAk; NghJ ntg;gk;
CLflj;jg;gLfpd;wJ. ,J cld;fhTif vd miof;fg;gLfpd;wJ. thA my;yJ
jputk; gad;gLk; re;ju;g;gq;fspd; NghJ ,t;ntg;g CLflj;jy; Kiw gutyhf
eilngWfpwJ. cld;fhTif ,UKiwfspy; eilngWfpwJ.
1. ,aw;if cld;fhTif
2. type;j cld;fhTif
51
,aw;if cld;fhTif,aw;if cld;fhTif,aw;if cld;fhTif,aw;if cld;fhTif,aw;if cld;fhTif
ntg;gj;ijg; ngw;W gjhu;j;jk; ntg;gkhFk; NghJ
mjd; mlu;j;jp FiwtilfpwJ. mNj Nghd;W ntg;gk;
ntspNaw;wg;gLk; NghJ mlu;j;jp mjpfupf;fpd;wJ.
,jdbg;gilapy; mlu;j;jp Fiwe;j nghUl;fs; Nky;
Nehf;fpAk;> mlu;j;jp $ba nghUl;fs; fPo; Nehf;fpAk;
njhopw;gLk;. ,jd; fhuzkhf Jzpf;iffs; ,aw;ifahf
CLflj;jg;gLk;. ePu; nfhz;l ghj;jpunkhd;iw ntg;gNkw;Wk;
NghJ ePupy; Njhd;Wk; cld;fhTif Xl;lq;fs; ePu ;
ntg;gkhtjw;F cjTfpwJ.(glk; 3.4.1)
type;j cld;fhTiftype;j cld;fhTiftype;j cld;fhTiftype;j cld;fhTiftype;j cld;fhTif
tprpwpfs; my;yJ NtWKiwfs; %yk; Jzpf;iffis Xuplj;jpypUe;J
kw;Nwhu; ,lj;jpw;F js;Stjd; %yk; cld;fhTif Vw;gLj;jy; type;j cld;fhTif
vd miof;fg;gLk;. jpUj;jkhf cld;fhTifia gad;gLj;Jtjd; %yk; Fspu;j;jy;
nraw;ghl;ilAk; tpidj; jpwDld; nra;Jnfhs;s KbAk;. cld;fhTif %yk;
FspuhFk; tPjk; gy;NtW fhuzpfspy; jq;fpAs;sJ.
♦ nghUspd; Nkw;gug;gpdJk; #oypdJk; ntg;gepiy tpj;jpahrk;
♦ Nkw;gug;gpd; gug;gsT
♦ Nkw;gug;gpd; ,ay;G
♦ cld;fhTif Xl;l Ntfk;
nghUspd; Nkw;gug;gpdJk; #oypdJk; ntg;gepiy tpj;jpahrk; mjpfupf;Fk;
NghJk; Nkw;gug;gpy; gug;G mjpfupf;Fk; NghJk; cld;fhTif Xl;l Ntfk; mjpfupf;Fk;
NghJk; cld;fhTif tPjk; mjpfupf;Fk;. cld;fhTif Xl;lNtfk; jq;fpAs;s
Nkw;gug;G ,ay;G fhyw;wpwd; vd;w fzpaj;jpdhy; mstplg;gLfpwJ. Nkw;gug;gpd;
xg;gkhd my;yJ fuL Kulhd ,ay;G> epwk; Nghd;w ,ay;Gfs; ,jpy; nry;thf;Fr;
nrYj;Jk;.
Nkw;gug;gpd; fhyw;wpwd; cau; ngWkhdj;ijg; ngWk; NghJ Fspu;j;jy; tPjk;
caUk;.
fjpu;g;Gfjpu;g;Gfjpu;g;Gfjpu;g;Gfjpu;g;G
ntg;gk; rf;jpahf Xuplj;jpypUe;J kw;Nwhu; ,lj;jpw;F CLflj;jg;gly; fjpu;g;G
vd miof;fg;gLk;. fjpu;g;G %yk; ntg;gr;rf;jp CLflj;jg;gLtjw;F Clfk;
mtrpakpy;iy vd;gJ Kf;fpa mk;rkhFk;. #upadpypUe;J epyj;jpw;F ntg;gk; tUtJk;
fjpu;g;G %yNkahFk;.
fjpu;g;G %yk; cwpQ;ry;> my;yJ ntsptply; tPjk; Nkw;gug;gpd; ,ay;gpy;
jq;fpAs;sJ. fUikahd> fulhd Nkw;gug;Gf;fs; cau;tPj;jpy; ntg;gj;ij
ntsptpLtijg; Nghd;W cwpQ;rpAk; tpLfpd;wd. nts;is> kpDkpDg;ghd Nkw;gug;Gf;fs;
Fiwe;j tPjj;Jld; ntsptpLjiyAk; cwpQ;riyAk; nra;fpd;wd.
ntg ;gj ;Jld; njhlu ;Gila Mf;fq ;fspd ; NghJ ,t;tpay;Gfs;
gad;gLj;jg;gLfpd;wd.
nghUspd; jd; ntg;gf; nfhs;ssTnghUspd; jd; ntg;gf; nfhs;ssTnghUspd; jd; ntg;gf; nfhs;ssTnghUspd; jd; ntg;gf; nfhs;ssTnghUspd; jd; ntg;gf; nfhs;ssT
ntg;gj;ij toq;Ftjd; %yk; nghUs; xd;wpd; ntg;gepiyia cau;j;j
KbAk; vd ehk; mwpeJs;Nshk;. toq;Fk; ntg;gj;jpw;F Vw;g ntg;gepiy mjpfupf;Fk;
ePu;
ntg;gk;
ghj;jpuk;
cld;fhTif
Xl;lk;
glk; 3'4'1
52
msit fzpg;gpl jd;ntg;gf; nfhs;sT vDk; fzpak; gad;gLfpwJ.
VjhtJ nghUnshd;wpd; XuyF jpzptpdJ ntg;gepiy XuyF ntg;gepiyahy;
cau;j;Jtjw;F Njitahd ntg;gj;jpd; msT jd;ntg;gf; nfhs;ssT vd
miof;fg;gLfpwJ.
nghUspd; ntg;gf; nfhs;ssTnghUspd; ntg;gf; nfhs;ssTnghUspd; ntg;gf; nfhs;ssTnghUspd; ntg;gf; nfhs;ssTnghUspd; ntg;gf; nfhs;ssT
nghUnshd;wpd; ntg;gepiyia Xuyfhy; cau;j;Jtjw;F Njitahd
ntg;gj;jpd; msT ntg;gf; nfhs;ssT vd miof;fg;gLfpwJ.
VjhtJ xU gjhu;j;jj;jpyhd rpwpa nghUnshd;wpd; nfhs;ssT mNj
gjhu;j;jj;jpyhd ngupa nghUs; xd;wp;d; nfhs;sstpYk; FiwthdJ. vdNt xNu
msthd ntg;gj;ij toq;Ftjd; %yk; rpwpa nghUs; cau; ntg;gepiyia
milAk;p
mNj Nghd;W #lhd ePiu Fspuhf;fypd; NghJ cau; ntg;gf; nfhs;ssitf;
nfhz;l ghj;jpuq;fisg; gad;gLj;jy; %yk; tpiuthf Fspuhf;fpf; nfhs;syhk;.
ntg;gj;Jld; njhlu;Gila Mf;fq;fspd; NghJ gjhu;j;jq;fisj; njupT nra;tjpy;
mtw;wpd; jd;ntg;gf; nfhs;ssT Kf;fpaj;Jtk; ngWfpwJ.
epiy kpd;dpay;epiy kpd;dpay;epiy kpd;dpay;epiy kpd;dpay;epiy kpd;dpay;
epiy kpd;dpay; Njhw;wg;ghLepiy kpd;dpay; Njhw;wg;ghLepiy kpd;dpay; Njhw;wg;ghLepiy kpd;dpay; Njhw;wg;ghLepiy kpd;dpay; Njhw;wg;ghL
Gjpa nghypjPd;; ignahd;wpDs; ifiag; GFj;Jk; NghJk; kl;ilj; jhs;
my;yJ rhjhuz fljhrpg;ignahd;wpDs;; ifiag; GFj;Jk; NghJ czu;tjw;F
khw;wkhd czu;itg; ngWtPu;fs;; mjhtJ cq;fs; ifapYs;s cNuhkq;fs;
ftug;gLtjhf czu;tPu;fs;.
gpshj;jpf;Fg; Ngdh xd;iw cyu;e;j jiykapupy; xNu jpirapy; jlTq;fs;.
gpd;du; rpwpa fljhrpj; Jz;LfSf;fUfpy; mjidf; nfhz;L nry;Yq;fs;. fljhrpj;
Jz;Lfs; Ngdhit Nehf;fpf; ftug;gLtijf; fhz;gPu;fs;.
gl;L my;yJ fk;gspapdhy; Md cilnahd;iw mOj;jpapdhy; mOj;jpa
gpd; cq;fs; if cNuhkk; cilapdhy; ftug;gLfpd;wjh vd MuhAq;fs;.
Kfpy;fSld; $ba thdpy; kpd;dy; Vw;gLtij ePq;fs; fz;bUf;ff; $Lk;.
mJ vt;thW eilngWfpd;wJ vd ePq;fs; Muha;e;jJz;lh? Nkw;gb Njhw;wg;ghLfSf;F
fhuzkhaiktJ epiy kpd;dpay; vDk; Njhw;wg;ghlhFk;.
Vw;wk;Vw;wk;Vw;wk;Vw;wk;Vw;wk;
nghUl;fs; xd;Wld; xd;W cNuhQ;rg;gLk; NghJ nghUl;fspSs;s
,yj;jpud;fs; Nkw;gb nghUl;fSf;fpilNa gupkhwg;gLk;. rpy nghUl;fspd;
Nkw;gug;gpYs;s mZf;fspypUe;J ,yj;jpud;fis kpf vspjpy; ntspNaw;w
KbAkhapDk;; NtW nghUl;fspypUe;J vspjpy; ,yj;jpud;fis ntspNaw;w KbahJ.
mt;thwhdit rpy rkak; gpw nghUl;fspypUe;J ,yj;jpuidg; ngWk; ehl;lj;ijf;
fhl;Lk;. mt;thW xd;Wf;nfhd;W khw;wkhd ,ay;Gfisf; nfhz;l nghUl;fs;
cNuhQ;rg;gLk; NghJ xU nghUspypUe;J tpLgLk; ,yj;jpud;fs; kw;iwa nghUspd;
kPJ Njf;fg;gLk;. ,jdhy; xU nghUspd; Nkw;gug;gpy; ,yj;jpud; mjpfupf;Fk;.
gl;Lj; Jzpapdhy; fz;zhbf; Nfhnyhd;iw cNuhQ;Rk; NghJk;> gpshj;jpf;F
53
rPg;gpdhy; cyu;e;j jiy kapiur; r P T k ;
NghJk; my;yJ NtW mt;thwhd
re ; j u ; g ; gq ; fs pd ; Ng hJk ;
nghUl;fSf;fpilNa ,yj;jpud;fs;
gupkhw;wk; epfOk;;.
,t ;thW ,yj ;j p ud ;fs ;
Fiwtiljy; my;yJ mjpfupj;jy;
Vw;wkiljy; vdg;gLk;;.. ,yj;jpud;fs;
Fiwtiljy; ( + ) Vw;wk; ngWjy; vdTk;
,yj;jpud;fs; mjpfupj;jy; ( - )Vw;wk;
ngWjy; vdTk; miof;fg;gLk;.
Xa;tpypUf;Fk; Vw;wk; epiy kpd;Ndw;wk; vdg;gLk;.
kiw Vw;wq;fs; vg;NghJk; Neu; Vw;wq;fisf; ftUk;. NkYk; xj;j tif
Vw;wKilait xd;iwnahd;W js;Sk;.
epiy kpd; Jz;ly;epiy kpd; Jz;ly;epiy kpd; Jz;ly;epiy kpd; Jz;ly;epiy kpd; Jz;ly;
nghUs; xd;Wf;F mUNf Vw;wKila nghUs; xd;W itf;fg;gLk; NghJ
Vw;wkw;w nghUspDs; epiy kpd;dpay;Gfs; Vw;gLk;. Nkw;gb nghUs; cNyhff;
flj;jpahapd; ,t;tpay;G ed;F ntspf;fhl;lg;gLk;. mjhtJ cNyhfj;jpd; Vw;wq;fs;
xd;wpypUe;J kw;iwaJ gpupAk;. ,jidf; fPo; cs;sthW fhl;lyhk;.(glk; 3.5.2)
flj;jpg;
nghUl;fis Vw;wkilar; nra;a Nkw;gb Njhw;wg;ghl;ilg; gad;gLj;jyhk;. Jz;lg;gLk;
flj;jpg; nghUs; Gtp njhLf;fg;gLkhapd; js;sg;gl;l Vw;wk; khj;jpuk; Gtp njhLf;fg;gLk;.
MfNt flj;jpapy; ftug;gl;l Vw;wk; khj;jpuk; vQ;Rk;. Gtpj; njhLg;G mfw;wg;gLk;
NghJ flj;jpg; nghUspy; Vw;wk; cUthFk;. ( glk; 3.5.3)
kpd;dy;kpd;dy;kpd;dy;kpd;dy;kpd;dy;
Kfpy;fs; Vw;wk; ngWtjhy; Kfpy;;fSf;Fk; epyj;jpw;FkpilNa my;yJ
--
N e u ;
Vw;wKila
flj;jp
kiw
Vw;wKila
nghUs;
nghUs;
flj;jp
- -
++
+ -
glk; 3.5.1
glk; 3'5'2
-----++
++++ -----+ ++
++-
Neu; Vw;wKila kiw Vw;wKila
nghUs flj;jp nghUs; flj;jp
-----+ +++++
-----++
+++
---
---
--
-----+
+ + ++
+++
- +++++
- - --+++++
- -----+++++
+
glk; 3.5.3
54
Kfpy;fSf;Fk; Kfpy;fSf;FkpilNa kpd;dy; Mf xspAk; xypAk; Njhd;Wtij
ehk; mtjhdpj;Js;Nshk;;
kpd;dy; vd;gJ Kfpy;fspd; Vw;wk; fhuzkhf Kfpy;fSf;fpilNa> KfpYf;Fk;
jiuf;Fk; ,ilNa> my;yJ Kfpy;fspDs;Ns rLjpahf eilngWk; Vw;wg; gha;r;ryhFk;.
,q;F xspAk;> xypAk; ntspg;gLtij mwpa KbAk;.
kpd;dy; Vw;gLtjhapd; Kfpy; kpfg; ngUksT Vw;wj;Jld; ,Uj;jy;
Ntz;Lk;. jiuf;F Nkyhf Vw;wKila Kfpy; flf;Fk; NghJ Jz;ly; fhuzkhf
epyj;jpd; Nkw;gug;G Vw;wkilAk;. epyj;jpd; Vw;wk; Kfpypd; Vw;wj;jpw;F
khw;wkhdjhifahYk; (vjpuhdJ ) mjd; gUkd; ghupajhifahYk; mtw;wpilNa
kpfg; ngUk; epiy kpd;dy; tpir cUthFk;. ,jdhy; rLjpahd Vw;wg; gupkhw;wkhf
kpd;dy; Vw;gLk;.
kpd;dy; fhuzkhf capu;r; Nrjq;fs;> tPL kw;Wk; fl;blq;fSf;F Nrjk;
Vw;gly;> kuQ;nrb nfhbfs; mopTwy; Nghd;w ghjpg;Gf;fs; Vw;gLk;.
,t;thwhd jhf;fq;fisf; Fiwg;gjw;fhf gy;NtW Kiwapay;fs;
gpd;gw;wg;gLfpd;wd. caukhd jiufs;> caukhd kuq;fs; Mfpad Kfpy;fSf;F
mz;ikahf ,Ug;gjd; fhuzkhf kpd;dy; Vw;gLk; tha;g;G mjpfkhFk;. MfNt
kpd;dy; Vw;gLk; rkaq;fspy; caukhd ,lq;fs;> kuq;fs;> fl;blq;fs; Mfpatw;iw
mz;bapUj;jy;> ntw;Wr; rkjiufspy; cyTjy; Nghd;w nray;fisj; jtpu;j;jy;
ed;ikahdJ.
kpd;dy; flj;jpfisg; gad;gLj;jp
kpd;dy; jhf;fk; Vw;gLtij ,opthf;fyhk;.
KidfSld; $ba flj;jpnahd;iw kpf
caukhd ,lj;jpy; mikj;J mjd; kW Kid
ed;F Gtpj;;njhLf;fg;gl;Ls;s xU fUtp kpd;dy;
flj;jpahFk;. (glk; 3.5.5).
Vw;wk; mile;j Kfpy; fhuzkhf
kpd;dy; flj;jp Vw;wk; ngWk;. mg;NghJ kpd;dy;
flj;jpapd; Kidfs; kPJ ngUksT Vw;wk;
xd;W NrUk;. Kidfs; kPJ Vw;wj;jpd; mlu;j;jp
mjpfkhFk; NghJ Vw;wk; maw; #oYf;F
tpLtpf;fg;gLk;. Nkw;gb Vw;wq;fs; Kfpiy
Nehf;fp ftug;gl;Lr; nry;Yk; NghJ Kfpy;fs;
gbg;gbahf eL epiyahFk;. ,jdhy; kpd;dy;
Vw;gLtjw;Fs;s tha;g;G mw;Wg; NghFk;.
glk; 3.5.5
glk; 3'5'4
55
jiuf;F mz;ikapYs;s ahjhapDk; xU jhdj;jpy; Fwpg;gpl;lsT Vw;wk;
xd;W Ftpjy; kpd;dy; Vw;glf; fhuzkhfpd;wJ. MfNt jiuf;F mUfhikapYs;s
Kidfs; mw;w Nfhskhd my;yJ js cUthd Nkw;gug;Gf;fSld; $ba
kiwg;Gf;fspDs; jq;fpapUg;gjhy; capu;r; Nrjj;ij Fiwf;fyhk;.
epiy kpd;dpd; gpuNahfk;epiy kpd;dpd; gpuNahfk;epiy kpd;dpd; gpuNahfk;epiy kpd;dpd; gpuNahfk;epiy kpd;dpd; gpuNahfk;
gy;NtW NjitfSf;F epiy kpd;idg; gad;gLj;Jtu;. mt;thwhd ,uz;L
gpuNahfq;fs; gpd;tUkhW
1. epow; gpujpfisg; ngwy; (Photo Copying)
2. Js;G+r;Rg; G+Rjy; (Powder Coating)
epow;gpujp fUtpapd; nraw;ghl;il RUf;fkhf Muha;Nthk;.epow;gpujp fUtpapd; nraw;ghl;il RUf;fkhf Muha;Nthk;.epow;gpujp fUtpapd; nraw;ghl;il RUf;fkhf Muha;Nthk;.epow;gpujp fUtpapd; nraw;ghl;il RUf;fkhf Muha;Nthk;.epow;gpujp fUtpapd; nraw;ghl;il RUf;fkhf Muha;Nthk;.
,f;fUtpapDs; KoT (Drum) vd miof;fg;gLk; cUisAUthd Jizg;ghfk;
cs;sJ. mjd; Nkw;gug;gpy; ,lg;gl;Ls;s flj;jpahyhd G+r;ir Vw;wkilar;
nra;ayhk;. Kjy; cUtpd; epoiy Vw;wKila Kotpd; kPJ glr;nra;Ak; NghJ
xspUk; gpuNjrk; eLepiy milAk;. Nuhdu; vdg;gLk; xU tif Js; Kotpd; kPJ
njhlr;nra;ag;gLk;. mg;NghJ Vw;wk; vQ;rpAs;s ,lq;fspy; Nuhdu; xl;bf; nfhs;Sk;.
,g;NghJ Muk;g cUtpw;Fr; rkkhd cUit Kotpd; kPJ fhzyhk;. gpujp vLf;f
Ntz;ba jhis KoTld; njhLkhW nra;J Kotpd; kPJ vQ;rpAs;s Nuhdiu
fljhrpapd; kPJ ngWtu;. ,jw;fhf epiy kpd; ftu;r;rp gad;gLj;jg;gLk;. gpd;du;
jhisr; #lhf;fp mjd; kPJs;s Nuhdiu jputkhf;fp jhspd; kPJ xl;lr; nra;tu;.
Js; G+r;Rf;fhf epiy kpd; El;g Kiw gad;gLk;. ,J cNyhfq;fs; kPJ G+r;Rg;
G+Rk; xU etPd KiwahFk;. ,q;F tpN~l Js; tifnahd;W gad;gLj;jg;gLk;.
mjid Vw;wk; ngwr; nra;J rptpwpnahd;wpd; %yk; Vw;wKila cNyhfj;jpd; kPJ
tprpWtu;. Vw;wKila Js; cNyhfj;jpd; kPJ xl;Lk;. mjid #isnahd;wpDs;
mDg;gp cNyhfj;jpd; kPJ Jis epiyahf xl;lr;nra;tu;.
epiy kpd; tpirepiy kpd; tpirepiy kpd; tpirepiy kpd; tpirepiy kpd; tpir
epiy kpd; Vw;wq;fSf;fpilNa epyTk; ftu;r;rp tpirAk; js;Sk; tpirAk;
epiy kpd; tpir vdg;gLk;. epiy kpd; tpirapd; gUkd; gpd;tUk; fhuzpfs; kPJ
jq;fpAs;sJ.
♦ Vw;wj;jpd; gUkd;
Vw;wj;jpd; gUkid msf;Fk; myF $NyhkhFk;. Vw;wj;jpd; gUkd;
mjpfupf;Fk; NghJ Vw;wq;fSf;fpilapyhd tpirAk; mjpfkhFk;.
♦ Vw;wq;fSf;fpilapyhd ,ilntsp
Clfk; ntw;wplkhapd; Vw;wq;fSf;fpilapyhd ,ilntsp mjpfkhFk;
NghJ mtw;wpw;fpilapy; epyTk; ftu;r;rp my;yJ js;Sk; tpirAk; FiwAk;.
♦ ♦ ♦ ♦ ♦ Clfj;jpd; jd;ik
Clfk; ntw;wplkhapd; Vw;wq;fSf;fpilapyhd ftu;r;rp my;yJ js;Sk;
tpir ,opthf,Uf;Fk;.. Vida Clfq;fspy; cau; ngWkhdj;ijf; nfhz;bUf;Fk;.
Clfj;jpd; Nkw;gb ,ay;ig kpd;Dioak; vd;gu;. kpd;Dioak; cau; ngWkhdKila
Clfq;fspDs; epiykpd; tpir cau;tjhFk;.
56
♦♦♦♦♦ Vw;wKila nghUl;fspd; kPJ Vw;wk; gutpAs;s tpjk;Vw;wKila nghUl;fspd; kPJ Vw;wk; gutpAs;s tpjk;Vw;wKila nghUl;fspd; kPJ Vw;wk; gutpAs;s tpjk;Vw;wKila nghUl;fspd; kPJ Vw;wk; gutpAs;s tpjk;Vw;wKila nghUl;fspd; kPJ Vw;wk; gutpAs;s tpjk;
xU Gs;spapy; mikAk; Vw;wk; NtNwhu; Vw;wj;jpd; kPJ Vw;gLj;Jk; epiykpd;
tpir> cUisAUthd Nkw;gug;gpd;; kPJ Vw;wk; gutpAs;s NghJ Vw;gLj;Jk; epiykpd;
tpirapYk; NtWgl;lJ. NkYk; jsNkw;gug;gpy; Vw;wk; gutpAs;s NghJ Vw;wj;jpd;
%yk; Vw;gLj;Jk; epiykpd; tpir Muk;g vy;yhr; re;ju;g;gq;fspYk; ngw;Wj; jug;gLk;
epiykpd; tpirapYk; NtWgl;lJ. ,jd;gb Vw;wk; gutpAs;s tpjKk; epiykpd;
tpirapd; gUkdpd; kPJ nry;thf;F nrYj;Jk;.
nfhs;sstpfs;nfhs;sstpfs;nfhs;sstpfs;nfhs;sstpfs;nfhs;sstpfs;
Vw;wj;ijr; Nrkpj;J itf;Fk; Njitf;fhf tpN~lkhf
cUthf;fg;gl;l cgfuzk; nfhs;sstpahFk;. xd;Wf;nfhd;W
vjpuhf mikAkhW Fwpg;gpl;l ,ilntspapy; itf;fg;gl;Ls;s
,uz;L; cNyhfj; jfLfshf ,it jahupf;fg;gLk;. nghJthf
Nkw;gb jfLfSf;fpapyhd ntsp kpd;Dioag; gjhu;j;jq;fspdhy;
epug;gg;gl;bUf;Fk;.
nfhs;sstpapd; xU Kidia Vw;wkilar; nra;Ak; NghJ kWKidAld;
njhlu;Gw;Ws;s cNyhfj;jfL Vw;wk; ngWk;. Nkw;gb jfl;il epye; njhLg;gjd;
%yk; nfhs;sstpapd; jfl;bd; kPJ (+) .(-) Vw;wq;fis cUthf;f KbAk;. Nkw;gb
Vw;wkile;j nfhs;sstpapd; Vw;wq;fis gpd;du; gad;gLj;jyhk;.
,t;thW nfhs;sstpapd; Kidfis mOj;j toq;fpAld; ,izg;gjd; %yKk;
nfhs;sstpfis Vw;wkilar; nra;ayhk;. mg;NghJ Nthyw;;wsT toq;fpapd; +
KidAld; ,ize;Js;s nfhs;sstpapd; jfL ( + ) Vw;wj;ijAk; Nthy;w;wsT
toq;fpapd; kiw KidAld; njhlu;Gw;Ws;s jfL kiw (-) Vw;wj;ijAk; ngWk;.
nfhs;sstpf;F Vw;wj;ijg; ngw;Wf; nfhLf;Fk; NghJ mjd; KidfSf;fpilapyhd
Nthy;w;wsT NtWghL mjpfupf;Fk;.
epiy kpd; nfhs;sstpepiy kpd; nfhs;sstpepiy kpd; nfhs;sstpepiy kpd; nfhs;sstpepiy kpd; nfhs;sstp
nfhs ;sstpnahd ;w pd ; nfhs ;sstk ; vd ;gJ nfhs ;sstpa pd ;
KidfSf;fpilNa mOj;j NtWghl;il xU myF Nthy;w;wpdhy; mjpfupg;gjw;fhf
toq;f Ntz;ba Vw;wj;jpd; msthFk;.
,jd;gb nfhs;sstpapd; nfhs;ssit Nthy;w;Wf;F $Nyhk; QV-1 vDk;
myfpy; mstpLtu;;. ,jid trjp fUjp guNl vd miog;gu;. (F)
1QV-1 = 1F
xU $Nyhk; vd;gJ ngUksT Vw;wkhFk;. nfhs;sstp cw;gj;jpapd; NghJ
mjpfsT Vw;wk; ngw;Wf; nfhLf;ff;$ba nfhs;sstpfs; cw;gj;jp nra;ag;glkhl;lhJ.
gutyhf cw;gj;jp nra;ag;gLk; nfhs;sstpfspd; nfhs;sstk; 1/1000 F ,Yk;
Fiwe;j ngWkhdj;ijf; nfhz;lJ.
nfhs;sstpnahd;wpd; epiy kpd; nfhs;ssT gpd;tUk; fhuzpfspy; jq;fpAs;sJ.
jfLfSf;fpilapyhd ,ilntsp jfLfSf;fpilapyhd ,ilntsp jfLfSf;fpilapyhd ,ilntsp jfLfSf;fpilapyhd ,ilntsp jfLfSf;fpilapyhd ,ilntsp (d)
jfLfSf;fpilapyhd ,ilntsp mjpfupf;fg;gLk; NghJ 1 Nthy;w;W
mOj;j NtWghl;bdhy; cUthf;fg;gLk; Vw;wj;jpd; msT FiwtilAk;. ,jdhy;
nfhs;ssT FiwAk;. ;
jfLfspd; gug;gsTjfLfspd; gug;gsTjfLfspd; gug;gsTjfLfspd; gug;gsTjfLfspd; gug;gsT (A)
glk; 3.5.3
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57
jfLfspd; gug;gsit mjpfupg;gjd; %yk; mtw;wpd; kPJ mjpfsT Vw;wj;ijj;
Njf;f KbAk;. ,jdhy; jfl;bd; gug;gsit mjpfupg;gjd; %yk; nfhs;ssit
mjpfupf;fyhk;.
Clfj;jpd; kpd;Dioak; Clfj;jpd; kpd;Dioak; Clfj;jpd; kpd;Dioak; Clfj;jpd; kpd;Dioak; Clfj;jpd; kpd;Dioak; (å)
Clfj;jpd; kpd;Dioaj;ij mjpfupg;gjd; %yk;
my;yJ cyu; kpd;Dioak; cs;s Clfnkhd;iwg;
gad;gLj;Jtjd; %yk; nfhs;sstj;ij mjpfupf;fyhk;.
nfhs;sstpapd; nfhs;sstk; C = Aå/d vdg;gLk;
tPl;L kpd; Rw;WtPl;L kpd; Rw;WtPl;L kpd; Rw;WtPl;L kpd; Rw;WtPl;L kpd; Rw;Wgpujhd kpd; toq;fypy; ,Ue;J tPl;L kpd; Rw;wpw;F
kpd; ngw;Wf; nfhLf;Fk; NghJ Kf;fpakhf ,izf;fg;gl
Ntz;ba $Wfs; rpythFk;. mf;$Wfs; cs;slf;fg;gl;l
Fw;wptupg;glk; fPNo jug;gl;Ls;sJ.
Distribution Board
tPl;L kpd; Rw;wpy; fhzg;gLk; Kf;fpa cj;jpfs; ,U tifg;gLk;.
1. fl;Lg;ghl;L cj;jp
2. ghJfhg;G cj;jp
jLf;fhsp R.C.C.B
gpujhd Msp Main Switch
fpNyhthw;Wkzp khdp kWh meter
Nrit cUfp Service Fuse
Nrit tlk; Service Cable&
Ez; Rw;Wilg;ghd(MCB); /cUfpfs;
(Fuse) nfhz;l guk;gw;ngl;b
58
fl;Lg;ghl;L cj;jpfl;Lg;ghl;L cj;jpfl;Lg;ghl;L cj;jpfl;Lg;ghl;L cj;jpfl;Lg;ghl;L cj;jp
tPl;L kpd;Rw;wpy; gad;gLj;jg;gLk; fl;Lg;ghl;L cj;jp gpujhd Msp(Main
Switch) MFk;. ,J jdpahf;fp(Isolator) vdTk; miof;fg;gLk;. ,jd; %yk; tPl;L
kpd; toq;fypd; capu;f;fk;gpAk; eLepiy(nehJky;)f; fk;gpAk; Jz;bf;fg;gLk;.
ghJfhg;G cj;jpghJfhg;G cj;jpghJfhg;G cj;jpghJfhg;G cj;jpghJfhg;G cj;jp
kpd;idf; ifahSk; NghJ kpd;dpd; mghak; fhuzkhf ghJfhg;G cj;jpfisf;
ifahs Ntz;bAs;sJ. ,q;F gad;gLj;jg;gLk; ghJfhg;G cj;jpfs; ,U tifg;gLk;.
jdpahs; (capu;g; ghJfhg;G) cgfuzq;fs;
nghUl;fspd; ghJfhg;G cgfuzq;fs;
jdpahs; (capug;; ghJfhg;G) cgfuzq;fs;jdpahs; (capug;; ghJfhg;G) cgfuzq;fs;jdpahs; (capug;; ghJfhg;G) cgfuzq;fs;jdpahs; (capug;; ghJfhg;G) cgfuzq;fs;jdpahs; (capug;; ghJfhg;G) cgfuzq;fs;
,J Gtpf;frpT Xl;l ghJfhg;G cj;jpj; njhFjpf;F cl;gl;lJ. mjpfkhf
tpgj;J vw;gLtJ kpd; cgfuzk; xd;why; my;yJ kpd; tlq;fspd; Clhf frpAk;
kpd; kdpj clypDs; GFtjdhNyahFk;. Gtpf;frpT vdg;gLtJ kpd; njhFjpnahd;wpd;
Clhf ntspNa frpTWk; Xl;lk; epyj;jpDlhf nry;tjdhyhFk;. kpd; njhFjpapd;
Clhf xl;lk; frpT Vw;gl;lhy; mjid kdpjdpw;F jPq;F tpistpf;fhjthW Gtpf;
frpT Xl;lkhf khw;wp mf;frpT xl;lj;ij ,lu; Msp xd;wpd; %yk; my;yJ
Rw;Wilg;ghd; %yk; flj;jp> kpd; toq;fiyj; Jz;bj;J tpLtNj ghJfhg;G cj;jpfspd;
%yk; nra;aagg;;Lk; NtiyahFk;.
xUtiu kpd;rhuk; jhf;Fk; NghJ mtupd; Clhf Gtpf;F kpd;rhuk; ghAk;.
mjhtJ Gtpf;frpT Xl;lk; Njhd;Wk;. vdNt mt;thwhd re;ju;g;gj;jpy; Rw;Wilg;ghd;
njhopw;gl;L kpd;toq;fy; Jz;bf;fg;gl;L ghJfhg;G toq;fg;gLk;. Rw;Wilg;ghd;
njhopw;gLk; jj;Jtkhf ,Ug;gJ Rw;wpd; Clhf Xl;lk; frpAk; NghJ capu;f;fk;gpfspYk;
eLepiyf; fk;gpfspYk; ghAk; Xl;lq;fspdhy; Njhw;Wtpf;fg;gLk; rkepiyaw;w jd;ikapd;
fhuzkhf mq;F fhzg;gLk; nghwpfs; %yk; Mspfs; njhopw;gl;L kpd;
Jz;bf;fg;gLfpd;wikahFk;..
tPl;L kpd; Rw;wpy; gad;gLj;jg;gLk; Rw;Wilg;ghdpd; Clhf ghAk; cau;
kpd;Ndhl;lk; 30 A MftpUg;gNjhL ,opT kpd;Ndhl;lk; 30 mA MfTk; ,Uj;jy;
Ntz;Lk;. mj;Jld; frpT Xl;lk; Njhw;Wtpf;fg;gl;lJk; mJ njhopw;gLtjw;F vLf;Fk;
NeuKk; ftdj;jpy; nfhs;sg;gly; Ntz;Lk;. mJ 0 ·1 nrf;fdpYk; FiwthapUj;jy;
Ntz;Lk;.
nghUl;fisAk; gz;lq;fisAk; ghJfhg;gjw;fhd cgfuzq;fs;nghUl;fisAk; gz;lq;fisAk; ghJfhg;gjw;fhd cgfuzq;fs;nghUl;fisAk; gz;lq;fisAk; ghJfhg;gjw;fhd cgfuzq;fs;nghUl;fisAk; gz;lq;fisAk; ghJfhg;gjw;fhd cgfuzq;fs;nghUl;fisAk; gz;lq;fisAk; ghJfhg;gjw;fhd cgfuzq;fs;
mjpfkhf nghUl;fspd; ghJfhg;gpw;Fr; rthyhf miktJ kpd;dpdhy; Njhd;Wk;
jPahFk;. jP Vw;gLtjw;fhd gpujhd fhuzkhf miktJ cau; Xl;lkhFk;.
cau; Xl;lk; vdg;gLtJ kpd; tlq;fSf;F my;yJ kpd; cgfuzq;fSf;F
<L nfhLf;ff;$ba Xl;lj;ij tpl $Ljyhd Xl;lkhFk;. cau; Xl;lk; Njhd;wf;$ba
rpy re;ju;g;gq;fs; fPNo jug;gl;Ls;sd.
1. Rw;wpd; Clhf ghaf;$ba cau; toq;fypd; Xl;lj;ij tpl
$ba
Xl;lj;ijg; ngWk; cgfuzk; xd;iwg; gad;gLj;jy;
2. FWQ;Rw;W Vw;gLjy; %yk; capu;f; fk;gpAk; eLepiyf; fk;gpAk;
xd;iw xd;W njhLjy;
3. eLepiy my;yJ capu;f; fk;gpfspy; cz;lhFk; jsu;thd ,izg;G
cau; xl;lk; gha;tijj; jLg;gjw;Fg; gad;gLj;jg;gLk; ghJfhg;G cj;jpfs;>
cau; Xl;l ghJfhg;G cj;jpfs; vd miof;fg;gLk;.
59
1. Nrit cUfp 1. Nrit cUfp 1. Nrit cUfp 1. Nrit cUfp 1. Nrit cUfp (Service Fuse)
tPl;L kpd;Rw;wpd; Clhfg; ghaf;$ba nkhj;j kpd;Ndhl;lk; 30A ,Yk;
mjpfupf;Fk; ; NghJ cUfp Jz;bf;fg;gLtjw;F Vw;wthW cUfp mikf;fg;gl;Ls;sJ.
cUfp vupe;jJk; mijj; jpUj;jp mikj;Jf; nfhs;s Ntz;Lk;.
2. Ez; Rw;Wilg;ghd; (2. Ez; Rw;Wilg;ghd; (2. Ez; Rw;Wilg;ghd; (2. Ez; Rw;Wilg;ghd; (2. Ez; Rw;Wilg;ghd; (miniature circuit breaker)
tPl;L kpd;Rw;W cg gpupTfshfg; gpupf;fg;gl;L kpd; tlq;fs; ,izf;fg;gLfpd;wd.
tPl;L kpd;Rw;wpy; 5 A ,.15 A cg kpd;Rw;Wf;fs; gad;gLj;jg;gLfpd;wd. xt;nthU cg
kpd; Rw;wpd; ClhfTk; kpd; toq;fg;gLk; NghJ Ez; Rw;Wilg;ghdpd; Clhf kpd;
toq;fg;gLfpwJ. Ez; Rw;Wilg;ghdpd; Clhf ghaf;$ba cau; kpd;Ndhl;lj;jpYk;
$ba kpd;Ndhl;lk; gha;e;jhy; kpd; Jz;bf;fg;gl;L ghJfhg;G toq;fg;gLk;. cUfpfs;
Nghd;W ,tw;wpy; kPz;Lk; cUfp ,izj;jy; Njitg;gLtjpy;iy. Rw;wpy; cs;s
tOitj; jpUj;jp Mspia cau;j;jpdhy;(on); kPz;Lk; kp;d; toq;fg;gLk;. Ez;
Rw;Wilg;ghd;fs; 6 A, 10 A, 16 A, 32 A msTfspy; ngw KbAk;.
5 A, 18 A cg Rw;Wf;fSf;fhf 6 A, 16 A Ez; Rw;Wilg;ghd; gad;gLj;jg;glyhk;.
ghJfhg;G cj;jpfSf;F Nkyjpfkhf gpujhd Msp fl;Lg;ghl;L cj;jpahfg;
gad;gLj;jg;glyhk;. gpujhd Msp %yk; Njitahd re;ju;g;gq;fspy; tPl;bw;F
toq;fg;gLk; kpd; Xl;lj;ij KOjhfj; Jz;bj;J tplyhk;.
tPl;L kpd;Rw;wpy; kpd; tlq;fs; ,izf;Fk; NghJk; jpUj;jq;fs; nra;Ak;tPl;L kpd;Rw;wpy; kpd; tlq;fs; ,izf;Fk; NghJk; jpUj;jq;fs; nra;Ak;tPl;L kpd;Rw;wpy; kpd; tlq;fs; ,izf;Fk; NghJk; jpUj;jq;fs; nra;Ak;tPl;L kpd;Rw;wpy; kpd; tlq;fs; ,izf;Fk; NghJk; jpUj;jq;fs; nra;Ak;tPl;L kpd;Rw;wpy; kpd; tlq;fs; ,izf;Fk; NghJk; jpUj;jq;fs; nra;Ak;
NghJk; fPNo jug;gLk; ru;tNjr kpd; njhopy;El;g rl;ljpl;lq;fSf;F mikaNghJk; fPNo jug;gLk; ru;tNjr kpd; njhopy;El;g rl;ljpl;lq;fSf;F mikaNghJk; fPNo jug;gLk; ru;tNjr kpd; njhopy;El;g rl;ljpl;lq;fSf;F mikaNghJk; fPNo jug;gLk; ru;tNjr kpd; njhopy;El;g rl;ljpl;lq;fSf;F mikaNghJk; fPNo jug;gLk; ru;tNjr kpd; njhopy;El;g rl;ljpl;lq;fSf;F mika
ele;J nfhs;s Ntz;Lk;.ele;J nfhs;s Ntz;Lk;.ele;J nfhs;s Ntz;Lk;.ele;J nfhs;s Ntz;Lk;.ele;J nfhs;s Ntz;Lk;.
$Wfis ,izg;gjpYk; gad;gLj;jYf;Fkhd ru;tNjr kpd; njhopEl;gk;$Wfis ,izg;gjpYk; gad;gLj;jYf;Fkhd ru;tNjr kpd; njhopEl;gk;$Wfis ,izg;gjpYk; gad;gLj;jYf;Fkhd ru;tNjr kpd; njhopEl;gk;$Wfis ,izg;gjpYk; gad;gLj;jYf;Fkhd ru;tNjr kpd; njhopEl;gk;$Wfis ,izg;gjpYk; gad;gLj;jYf;Fkhd ru;tNjr kpd; njhopEl;gk;
; ; ; ; ; International Electrical Technology)(I.E.T.)
1. ngw;Wf; nfhs;Sk; cau; Xl;lj;ij tpl mjpf Xl;lk; ngwg;gl;lhy;
vupe;J ghJfhg;G toq;ff;$ba Nrit cUfp gad;gLj;jg;gly; Ntz;Lk;.
2. tPl ;bw;F toq;fg;gLk; kpd;id xNu Kiwapy; Jz;bg;gjw;F
(capu;f;fk;gpiaAk;> eLepiyf; fk;giaAk;p) gpujhd Msp ,izf;fg;gly;
Ntz;Lk;.
3. cUfpfs; capu;f;fk;gpfSld; ,izf;fg;gly; Ntz;Lk;.
4. Gtpf;frpT xl;lk; xd;wpd; NghJ RahjPdkhf kpd; toq;fiyj;
Jz;bf;ff;$ba jLf;fhsp(,lWMsp) gad;gLj;jg;gly; Ntz;Lk;.
5. rfy FijfspdJk; Gtpj;njhLg;Gf;fs; tlk; xd;wpd; %yk; njhLf;fg;gl;L
Gtpj;njhLg;gply; Ntz;Lk;.
6. Gtpj; njhLg;gpw;fhf 50 mm tpl;lKila 1½ kPw;wu; ePskhd fy;tidRf;
Foha; epyj;jpDs; Gijf;fg;gly; Ntz;Lk;.
7. Rw;wpy; ghAk; cau; Xl;lj;jpw;F Vw;wthW tlq;fs; njupT nra;ag;gly;
Ntz;Lk;.
8. 5 A cg Rw;wpy; ,izf;fg;glNtz;ba kpd;Fkpo;fspd; cau; vz;zpf;if
10 MFk;.
9. 5 A cg Rw;wpy; 5 A Fijfs; ,uz;L khj;jpuk; ,izf;fg;gLtNjhL 1/
1.13 tlk; gad;gLj;jg;gly; Ntz;Lk;.
10. 15 A cgRw;wpy; 15 A Fij xd;W khj;jpuk; ,izf;fg;gLtNjhL 7/ 0.67
tlk; gad;gLj;jg;gly; Ntz;Lk;.
60
11. rfy cg Rw;Wf;fSk; cUfpnahd;Wld; my;yJ Ez;;Rw;Wilg;ghd; xd;Wld;
,izf;fg;gl;L cau; Xl;lg; ghJfhg;G toq;fg;gly; Ntz;Lk;.
kpd; tpsf;nfhd;iwg; nghUj;jy;kpd; tpsf;nfhd;iwg; nghUj;jy;kpd; tpsf;nfhd;iwg; nghUj;jy;kpd; tpsf;nfhd;iwg; nghUj;jy;kpd; tpsf;nfhd;iwg; nghUj;jy;
kpd; tpsf;nfhd;iwg; nghUj;Jk; NghJ cgRw;Wf;fSf;F cupa kpd; njhopEl;g
tpjpfisf; filgpbj;J cupa $Wfisg; gad;gLj;jp tlq;fs; nghUj;jg;gly;
Ntz;Lk;. 5A cg kpd;Rw;wpy; kpd; tpsf;nfhd;iwg; nghUj;Jk; Kiw glj;jpy;
fhl;lg;gl;Ls;sJ.
glk; 3.5
61
tPl;L kpd; Rw;Wf;fspy; gad;gLj;jg;gLk; FwpaPLfs;tPl;L kpd; Rw;Wf;fspy; gad;gLj;jg;gLk; FwpaPLfs;tPl;L kpd; Rw;Wf;fspy; gad;gLj;jg;gLk; FwpaPLfs;tPl;L kpd; Rw;Wf;fspy; gad;gLj;jg;gLk; FwpaPLfs;tPl;L kpd; Rw;Wf;fspy; gad;gLj;jg;gLk; FwpaPLfs;
kpd;Rw;Wf;fspy; gad;gLj;jg;gLk; gy;NtW cgfuzq;fs;> $Wfs;
vd;gtw;wpw;fhf gad;gLk; epakf; FwpaPLfs; fPNo jug;gl;Ls;sd.
II
kpd; khdp
j L f ; f h s p /
,lWMsp
kWh
N
L guk;gw; ngl;b
(Ez; kpd; Rw;Wil
g;ghDld; $baJ)
gpujhd Msp
fk;gp ,Of;Fk; jpl;lj;jpYk; Xl;l tbtikg;gpd;
$wpd; ngaH tlj; jpl;lj;jpYk;>gad;gLj;Jk; FwpaPL
FwpaPL
Ez; Rw;Wilg;ghd;
cUfp
62
nghJthd
%ba mOj;Jk;
nghj;jhd;
$wpd; ngaH tbtikg;gpd;
xU top Msp
,U top Msp
,il epiy Msp
Fij
N/C
N/O
FwpaPL
fk;gp ,Of;Fk; jpl;lj;jpYk; >
Xl;l tlj; jpl;lj;jpYk;
gad;gLj;Jk; FwpaPL
nghJthd jpwe;j
mOj;Jk; nghj;jhd;
kpd; tprpwpapd;
Ntff;
fl;Lg;gLj;jp
63
fk;gp ,Of;Fk; jpl;lj;jpYk; >
tbtikg;gpYk; tlj;jpl;lj;jpYk;
gad;gLj;Jk; FwpaPLfs;
tbtikg;gpd; FwpaPL$wpd; ngaH
kpd; Fkpo;
kpd; tprpw
GNshnuhspHT
tpsf;F
kpd; kzp
jdpf;Foha; tpsf;F
,UFoha; tpsf;F
tbtikg;Ggg;
glk;
L
Xl;ltopj;jpl;lg;
glk;
N
L
N
tlk;; ,izj;jy;
jpl;llg;glk;.
L
N
64
kpd;Dk; kpd; $WfSk;kpd;Dk; kpd; $WfSk;kpd;Dk; kpd; $WfSk;kpd;Dk; kpd; $WfSk;kpd;Dk; kpd; $WfSk;
NeNuhl;lk;> MlNyhl;lk; vd kpd;Ndhl;lk; ,U tifg;gLk;.
NeNuhl;lk;. NeNuhl;lk;. NeNuhl;lk;. NeNuhl;lk;. NeNuhl;lk;. (Direct current D.C.)
NeNuhl;lk; fyq;fspypUe;J ngwg;gLtNjhL epiyahd KidTj; jd;ikiaAk;
nfhz;lJ. NeNuhl;l toq;fy; xd;iw fNjhl;L miyT fhl;bapd; Clhf
mtjhdpj;jhy; mJ fPo;f; fhl;lg;gl;lthW fhzg;gLk;.
NeNuhl;lk; vDk; FwpaPl;lhy; fhl;lg;gLk;.
MlNyhl;lk;- vDk; FwpaPl;lhy; fhl;lg;gLk;.
MlNyhl;lk; ( MlNyhl;lk; ( MlNyhl;lk; ( MlNyhl;lk; ( MlNyhl;lk; (Alternative current)
MlNyhl;lk; ( ~ )vDk; FwpaPl;bdhy; fhl;lg;gLk;. fhe;jg;Gyk; xd;wpy;
itf;fg;gl;l kpd; flj;jpr; RUs; xd;iw ,af;Ftjd; %yk; MlNyhl;lk; ngwg;glyhk;.
,t;thW MlNyhl;lk; Njhd;Wtij fPOs;s glj;jpd; %yk; fhl;lyhk;.
glj;jpy; fhl;bathW kpd; flj;jpr; RUs; fhe;jg;Gyj;jpw;F nrq;Fj;jhf
,Uf;Fk; NghJ Njhd;Wk; kpd;Ndhl;lk; G+r;rpakhf ,Ug;gjhy; Njhw;Wtpf;fg;gLk;
kpd;Ndhl;lj;jpd; mOj;jKk; G+r;rpakhFk;. kpd;flj;jpr; RUs; fhe;jg; Gyj;jpw;F
nrq;Fj;jhd epiyapypUe;J 90 o RoYk; tiu mOj;jk; mjpfupj;J cau; ngWkhdj;ij
milAk;. ,Nj Nghd;W mLj;j 90 o Row;rpapd; NghJ mOj;jk; Fiwe;J G+r;rpaj;ij
t
v
12341234123412341234123412341234
1234567890123456789012123456789012345678901212345678901234567890121234567890123456789012
1234567890123456789012123456789012345678901212345678901234567890121234567890123456789012
tlKidT
njd;KidT
Rik
flj;jpr;RUs;
i
65
milAk;. mLj;j 90 oRow;rpf;F
cau; mOj;jj;ijg; ngw;W mLj;j 9 0oRow;rpf;F ,opT mOj;jk; mjhtJ 0
Ig; ngWk;. MlNyhl;lk; xd;iw
miyT fhl ; ba pd ; Clhf
mtjhdpj;jhy; fPo;tUk; mikg;igf;
fhzKbAk;.
,jd; mbg ;gilapy ; MlNyhl ; ;lj ;j pw ;F epiyahd KidTfs;
fhzg;gLtjpy;iy. Neu;> kiw vd;gd khwp khwp mire;J nfhz;bUf;Fk;. NkNy
tptupf;fg;gl;lthW kpd; flj;jpr; RUspd; xU Row;rpapd; NghJ (3600) cz;lhFk;
miyapd; gFjp xU rf;fuk; vd miof;fg;gLfpd;wJ. MlNyhl;l kpd Jz;lypd;
NghJ xU nrf;fdpy; Njhd;Wk; rf;fuq;fspd; vz;zpf;if mt;thlNyhl;lj;jpd;
kPbwd; vd miof;fg;gLk;. mjhtJ kPbwd; vdg;gLtJ xU nrf;fdpy; Njhd;Wk;
rf;fuq;fspd; vz;zpf;ifahFk;. mJ `u;l;]; (Hz) vDk; myfpy; miof;fg;gLk;.
igrpf;fs; ildNkh> tPl;L MlNyhl;l kpd;Rw;wpd; KidTfs;> gpujhd kpd;
toq;fy; Nghd;wtw;iw MlNyhl;l Kjy;fshff; Fwpg;gplyhk;. ,dp ehk; kpd;NdhL
rk;ge;jg;gl;l gpujhd fzpaq;fs; rpytw;iwg; gw;wp ftdpg;Nghk;.
mOj;jk;mOj;jk;mOj;jk;mOj;jk;mOj;jk; / Nthy;;w;wsTNthy;;w;wsTNthy;;w;wsTNthy;;w;wsTNthy;;w;wsT
cyu; kpd;fyk; xd;iwf; fUJk; NghJ mjd; Neu; Kbtplj;Jld; xg;gpLifapy;
kiw Kbtplj;jpy; rhu;gstpy; $ba ,yj;jpud;fs; fhzg;gLfpd;wd. vdNt kpd;
fyj;jpd; Neu; Kidtpw;Fk; kiw Kidtpw;Fk; ,ilNa ,yj;jpud; mOj;j NtWghL
fhzg;gLfpwJ. ,e;j ,yj;jpud; mOj;j NtWghL mOj;j tpj;jpahrk; vd
miof;fg;gLfpwJ. mOj;j tpj;jpahrk; V vDk; FwpaPl;lhy; Fwpf;fg;gLtNjhL
mOj;j tpj;jpahrj;ij mstpLk; myF Nthy;w;W vdTk; miof;fg;gLfpwJ. rpwpa
ngu pa mOj;j tpj ;j pahrq ;fis mstpLtjw ;F f Po ;tUk ; myFfs;
gad;gLj;jg;gLfpd;wd.
1000 µV = 1 mv ( µ ikf;fpNuh) 1000 mv = 1 v ( m kpy;yp )
1000 v = 1 k v ( k fpNyh)
NeNuhl;l kpd; Kjnyhd;iw jilnahd;Wld; ,izf;Fk; NghJ
Neu;Kidtpw;Fk;> kiw Kidtpw;Fk; ,ilapyhd ,yj;jpud; mOj;j tpj;jpahrj;jpd;
fhuzkhf kiw KidtpypUe;J Neu; Kidtpw;F ,yj;jpud; ghAk;.
kpd;Ndhl;lk; kpd;Ndhl;lk; kpd;Ndhl;lk; kpd;Ndhl;lk; kpd;Ndhl;lk; (Current)
NkNy fhl;bathW ,yj;jpud; mOj;j tpj;jpahrj;jpd; fhuzkhf Vw;gLk;
,yj;jpud; gha;r;ry; kpd;Ndhl;lk; vd miof;fg;gLk;. ,yj;jpud; gha;r;ry; kiw
KidtpypUe;J Neu; Kidit Nehf;fp eilngw;whYk; epak Xl;lk; Neu;KidtpypUe;J
kiwKid Nehf;fpf; Fwpf;fg;gLfpwJ.
kpd;Ndhl;lk; I vDk; FwpaPl;bdhy; Fwpf;fg;gLtJld; mk;gpau; vDk; myfpdhy;
mstplg;gLfpwJ. rpwpa ngupa kpd;Ndhl;lq;fis mstpl fPo;tUk; myFfs;
gad;gLj;jg;gLk;.
1000 µA = 1 mA
1000 mA = 1 A
jilfs;jilfs;jilfs;jilfs;jilfs; (Resistance)
t
V glk;
66
flj;jpnahd;W xl;lk; gha;tjw;Ff; fhl;Lk; vjpu;g;G jil vdg;gLfpwJ.
jilia Fwpg;gjw;F R vDk; FwpaPL gad;gLj;jg;gLtNjhL jilia mstpl Xk;
(Ω) vDk; myF gad;gLj;jg;gLfpwJ. ngupa jilfis mstpl fPo;tUk; myFfs;
gad;gLj;jg;gLfpd;wd.
1000 Ω = 1 kΩ ( k fpNyh)
1000 Ω = 1 M Ω ( M nkfh)
nrk;G> mYkpdpak;> gpj;jis Nghd;w cNyhfq;fs; jil Fiwe;j
flj;;;;;jpfshfTk; jq;fpjd;> epf;fpNuhk; Nghd;w cNyhfq;fs; jil$ba cNyhfq;fshfTk;
gad;gLj;jg;gLfpd;wd.
Rikahf jil$ba flj;jpfs; gad;gLj;jg;gLk; re;ju;g;gq;fs; fPNo
jug;gl;Ls;sd.
kpd; mOj;jp> kpd; mkpo;g;G ntg;gkhf;fp>
kpd; mLg;Gf;fs; Nghd;wtw;wpy; gad;gLk; ief;fpNuhk; ( Nichrome )
ntg;g RUs;fs; (Elements)
kpd;Fkpo;fspy; gad;gLj;jg;gLk; ,iofs; jq;fpjd; ( Tungstan )
kpfTk; $ba jil nfhz;l nghUl;fs; flj;jypyp (Non Conductor)fshfg;
gad;gLj;jg;gLfpd;wd. flj;jypypfs; kpd; ghahj nghUl;fshFk;.
kpd; Rw;Wf;fspYk; ,yj;jpudpaw; Rw;Wf;fspYk; xl;lj;ijf; fl;Lg;gLj;j
gad;gLj;jf;$ba gy;NtW ngWkhdq;fs; nfhz;l jilapfs; cw;gj;jp
nra;ag;gl;Ls;sd. jilapfs; cw;gj;jpapy; fhgd; Kf;fpa gq;F tfpg;gJld; jq;fpjd;>
epf;fpNuhk; Nghd;w cNyhfq;fSk; gad;gLj;jg;gLfpd;wd.
kpd; Rw;nwhd;wpw;fhd jilapiaj; njupT nra;ifapy; jilapd; ngWkhdj;ij
khj;jpuk; ftdj;jpw;nfhs;shJ jil ,izf;fg;gLk; ,lj;jpd; Clhf ghAk;
kpd;Ndhl;lj;ijAk; ftdj;jpw; nfhs;sy; Ntz;Lk;. mt;Nthl;lj;jpd; fhuzkhf
Njhd;Wk; tYtpw;F <LnfhLf;ff;$ba tPjq;fzpj;j jilap xd;W njupT nra;ag;gly;
Ntz;Lk;
cjhuzkhf jilapnahd;W nghUj;jg;gl Ntz;ba ,lj;jpd; Clhf ghAk;
kpd;Ndhl;lk; 2mA vdTk; jilapapd; ngWkhdk; 100 Xk; ( Ω) vdTk; fUjpdhy;tY P= I2R vDk; njhlu;gpdhy; ,ijg; ngw;Wf; nfhs;s KbAk;.
P = I 2 R
= 2x2x10-3x100
= 4x 10-1
= 0.4 W
jilapfs; 1/8 W, 1/4W, 1/2W, 1W, 2W, 5W, 10W, Nkw;gb cjhuzj;jpw; Nghd;w
Kd; Nju;e;j ngWkhdq;fspy; cw;gj;jp nra;ag;gl;Ls;sd. Nkw;gb cjhuzj;jpw;
fhf njupT nra;ag;gl Ntz;baJ 1/2 W jilapahFk;. 1/8 W Kjy; 2W tiuapyhd
jilapfis fhgd; gly(Carbon Film) tifahfTk; $ba ngWkhdq;fisf; nfhz;l
jilapfis fk;gp> Rw;wg;gl;l tifapdjhfTk;(wire wounded) ngwyhk;.
gutyhfg; gad;gLj;jg;gLk; jilapfs; fhgd; glyj; jilapfshFk;. mtw;wpd;
ngWkhdq;fis mwpe;J nfhs;tjw;F epwg;gupghil gad;gLj;jg;gLk;. ,uz;L tpjkhd
epwg;gupghilfs; fhzg;gl;lhYk; ehd;F epwq;fisf; nfhz;l KiwNa jilfspd;
ngWkhdq;fis mstplg; gutyhfg; gad;gLj;jg;gLfpwJ.
67
,e;epw gupghiliag; gad;gLj;jp ngWkhdq;fis thrpf;Fk; NghJ 1k; 2k; epwq;fspd;
,yf;fq;fisf; Fwpj;j %d;whk; epwj;jpw;fhd ngWkhdj;jpdhy; my;yJ G+r;rpaq;fisr;
Nru;g;gjhy; jilapapd; ngWkhdq;fs; Xk;fspy; ngwg;gLk;.
ehd;fhk; epwk; nghWik tPr;rg; ngWkhdj;ijf; fhlLfpd;wd. epwq;fisf;
nfhz;l jilapfspd; ngWkhdq;fis vt;thW thrpf;fyhk; vd mtjhdpg;Nghk;.
epwk; 1k; epuy; 2k; epuy; 3k; epuy; ( ngUf;fy;) nghWik tPr;R
fWg;G 0 0 - my;yJ × 100
fgpyk; 1 1 0 my;yJ × 10 ± 1 %
rptg;G 2 2 00 my;yJ × 102 ± 2 %
nrk;kQ;rs; 3 3 000 my;yJ × 103
kQ;rs; 4 4 0000 my;yJ × 104
gr;ir 5 5 00000 my;yJ × 105
ePyk; 6 6 000000 my;yJ × 106
Cjh 7 7 0000000 my;yJ × 107;
eiu 8 8 00000000 my;yJ × 108
nts;is 9 9 000000000 my;yJ × 109
nghd; × 0.1nts;sp × 0.01epwkw;wJ ± 20 %
± 10 %
± 5 %
ehd;F epwq;fis nfhz;l jilapfSf;fhd epwg;ghpghil
2 2 ×10 ± 5%
220 Ω ± 5%
1 0 ×100 ± 5%
1 0 × 1 ± 5%
10 Ω ± 5%
fWg;G
fgpyk;
fWg;G
rptg;G
nghd
;
rptg;G
fgpyk;
nghd
;
68
jilapfspd; njhopw;ghl;bw;F Vw;g mit tifg;gLj;jg;gl;Ls;sd.
epiyahd jilapfs;epiyahd jilapfs;epiyahd jilapfs;epiyahd jilapfs;epiyahd jilapfs; (Fixed Resistors)
ahNjDk; epiyahd jilg; ngWkhdk; xd;iwg; ngWtjw;fhf ,it cw;gj;jp
nra;ag;gl;Ls;sd.
FwpaPL my;yJ
khWk; jilap khWk; jilap khWk; jilap khWk; jilap khWk; jilap (Variable Resistor)
VjhtJ xU tPr;rpDs; jilg; ngWkhdj;ij khw;wf;$bathW ,it cw;gj;jp
nra;ag;gl;Ls;sd. ,it ,uz;L tifg;gLk;.
1.mOj;jkhdp tif1.mOj;jkhdp tif1.mOj;jkhdp tif1.mOj;jkhdp tif1.mOj;jkhdp tif
kpd; kw;Wk; ,yj;jpudpay; cgfuzq;fis ,af;Fgtu;fSf;F> Njitahd
Ntisfspy; jilia khw;wpf; nfhs;tjw;F NjitahdthW ,it mikf;fg;gl;Ls;sd.
gad;gLk; re;ju;g;gq;fs;gad;gLk; re;ju;g;gq;fs;gad;gLk; re;ju;g;gq;fs;gad;gLk; re;ju;g;gq;fs;gad;gLk; re;ju;g;gq;fs;
thndhypfspy; xyp MSif (Volume control), tpsf;F xspg;gha;r;ry;
fl;Lg;ghL(Lamp Dimmer Circuit) Nghd;wtw;wpy; jilia khw;Wtjd; %yk; mOj;j
tpj;jpahrk; khw;wg;gLfpd;wJ.
2. Kd;njupe;j tif2. Kd;njupe;j tif2. Kd;njupe;j tif2. Kd;njupe;j tif2. Kd;njupe;j tif
Rw;nwhd;iw Mf;Fk; NghJ Njitf;Nfw;wthW jilia khw;wpf; nfhs;tjw;F
,it gad;gLfpd;wd. cgfuzj;ij cw;gj;jp nra;J cgNahfpg;gjw;F Kd;gjhf
khw;wpf;nfhs;tjw;F khj;jpuk; gad;gLj;jg;gLfpwJ. cgfuzj;ijg; gad;gLj;Jk; NghJ
,tw;wpy; khw;wk; nra;ag;gLtjpy;iy.
my;yJ
my;yJ
4 7 × 0.1
4.7 Ω 4.7 Ω ± 5%
2 7 × 102
2 7 × 100
2700 Ω ± 10%
2.7K Ω ± 10%
Cjh
rptg;G
nts;sp
rptg;G
kQ;rs;
nghd
;
Cjh
nghd
;
69
R1
R2
R3
R1 R2 R3
jilapfs; cw;gj;jp nra;ag;gl;Ls;s nghUl;fs; mtw;wpd; ,ay;Gfs;
vd;gtw;iw mbg;gilahff; nfhz;L gpd;tUkhW tifg;gLj;jyhk;.
♦ fhgd; Nru;e;j jilapfs;( Carbon Composition Resistor)
♦ fhgd; gly; jilapfs; (Carbon FilmResistor)
♦ cNyhf nkd;gly; jilapfs; (Metal Film Resistor)
♦ fk;gp Rw;wg;gl;l jilapfs; (Wire Wound Resistor)
jilapfs; ,izf;fg;gLk; NghJ ,uz;L Kiwfs; gad;gLj;jg;gLfpd;wd.
1. njhlu; ,izg;G
R = R1+R
2+R
3+ ---------------------Rn
,q;F rktYj;jil my;yJ tpisAs; jil R ,izf;fg;gl;l vy;yhj;
jilapfspdJk; nkhj;jf; $l;Lj;njhifahFk;.
2. rkhe;ju ,izg;G
1/R = 1/R1+ 1/R
2+ 1/R
3+------------------1/Rn
,q;F rktYj;jilapd; jiyfPo;g; ngWkhdk; ,izf;fg;gl;l jilfs;
xt;nthd;wpdJk; ngWkhdq;fspdJk; jiyfPo;g; ngWkhdq;fspd; $l;Lj;njhiff;Fr;
rkdhFk;.
rkhe;jukhf ,izf;fgl;l jilfs; xd;wpw;nfhd;W rkdhapd;;.
rktYj;jil = xUjilapd; ngWkhdk; /
,izf;fg;gl;l jilfspd; vz;zpf;if
vDk; njhlu;ig ,yFtpy; ngw;Wf; nfhs;s KbAk;.
120 Ω
120Ω
120 Ω
R = 120Ω 3
= 40 Ω
70
5Ω
10Ω
100Ω
=5
1+
10
1+ .............
100
1
= 20 + 10 + 1
100
R
1
=R
1 31
100
=R
1 31
100= 3.2 Ω
100 ΩR
220 Ω
100 Ω
470 Ω
njhluhfTk; rkhe;jukhfTk; ,izf;fg;gl;l jilj; njhFjpfSk;;
gad;gLj;jg;gLfpd;wd.
R = 100 /2 = 50
R = 220 + 50+ 470
= 740 ΩVjhtJ xU Njitf;F Fwpg;gpl;l ngWkhdk; cila jilapiag; ngw;Wf;nfhs;s
Kbahjtplj;J NkNy njhLf;fg;gl;l Kiwiag; gad;gLj;jp jilapia
Mf;fpf;nfhs;syhk;.
cjhuzk; :
xU Njitf;F 220 Xk; jilapnahd;W mtrpak; vdf; nfhs;Nthk;.
vdpDk; 470 Xk; jilapfSk; 100 Xk; jilapfSNk iftrk; fhzg;gl;ld.
Nkw;Fwpg;gpl;l jilapfisg; gad;gLj;jp 220 Xk; ,w;Ff; fpl;ba ngWkhdKila
jilapiag; gpd;tUkhW Mf;fpf; nfhs;syhk;.
71
470 Ω
470Ω
R = 470 Ω 2
= 235 ΩR
10Ω 100Ω
= 100 + 100R
= 200 ΩR
ehk; Rw;nwhd;iwj; jpl;lkpLk; NghJ jpl;lj;jpw;F Vw;w ngWkhdKila
jilapfisr; re;ijapy; ngw;wf;nfhs;s KbahjpUf;fyhk;. mg;gbahd re;ju;g;gq;fspy;
mjw;F kpff;fpl;ba ngWkhdKila jilapfisg; ngw;Wf;nfhs;syhk;.
kpd;tYkpd;tYkpd;tYkpd;tYkpd;tY
Riknahd;wpd; Clhf (VjhtJ xU kpd; cgfuzk;) kpd; rf;jpiag;
gad;gLj;jpr; nra;ag;gLk; Ntiyapd; msT tY vd miof;fg;gLk;. Rikapd; ,U
KidTfSf;Fkpilapyhd mOj;j tpj;jpahrj;ij mjDlhfg; ghAk; kpd; Xl;lj;jpdhy;
ngUf;Fk; NghJ tY ngwg;gLk;. mJ fPo;tUkhW jug;gLk;.
P = VI
tY P apdhy; Fwpf;fg;gLtNjhL mij thw;W (W) vDk; myfpy; msf;fyhk;.
rpwpa> ngupa tYg; ngWkhdq;fis mstpl fPo;tUk; myFfs; gad;gLj;jg;glyhk;.
1000 mw = 1 W
1000 Kw = 1 MW M- nkfh
1000 Mw = 1 GW G- fpfh
nfhs;sstpfs; nfhs;sstpfs; nfhs;sstpfs; nfhs;sstpfs; nfhs;sstpfs; (Capacitors)
nfhs;sstp vdg;gLtJ kpd;idr; Nrkpj;J itf;ff;$ba xU $whFk;.
gytifahd nfhs;sstpfs; fhzg;gLfpd;wd.
nfhs;stpfspd; tiffSk; FwpaPLfSk;
tif FwpaPL
epiyahd nfhs;sstp
kpd;gF nghUs; nfhs;sstp
,irthf;Fk; nfhs;sstp
jpuPtu; nfhs;sstp
.
72
Jz;lypd; %yk; Njhd;Wk; Jz;lw;wpwd; (Inductance) mstpl n`d;wp (H)
vDk; myF gad;gLj;jg;gLk;. rpwpa Jz;lw;wpwid mstpl fPo;tUk; cg myFfs;
gad;gLj;jg;gLk;.
1000 µH = 1mH
1000 mH = 1 H
nfhs;sstpfisj; njhluhfTk;; rkhe;jukhfTk; ,izj;Jf; nfhs;syhk;;.
,q;F rktYf; nfhs;ssT> jilfspd; rktYj; jiliag; ngw;Wf;nfhz;lKiwf;F
vjpuhd Kiwapy; ngwg;gLfpd;wJ.
nfhs;sstpapd; nfhs;ssT gul;L (F) vDk; myfpy; msf;fg;gLfpwJ.
gpd;tUk; cg myFfSk; gad;gLj;jg;gLfpd;wd.
1000 pF = 1 nF p - gpf;Nfh
1000 nF = 1 µF n - eNdh
µ - ikf;fpNuh
Jz;bJz;bJz;bJz;bJz;b
flj;jpiar; RUshfr; Rw;wg;gl;;l Rw;whf Rw;Wtjd; %yk; Jz;bnahd;iw
Mf;fpf;nfhs;syhk;. ,tw;wpw;F MlNyhl;lj;ij toq;Ftjhy; khWk; fhe;jg;
Gynkhd;iw Mf;fpf;nfhs;s KbAk;. mtw;wpd; njhopw;ghl;bw;Nfw;gTk; Jz;bfis
tifg;gLj;jyhk;.
thA mfzp nfhz;l Jz;b
nkd;dpUk;G mfzp nfhz;l Jz;b
ngiuw;W mfzp nfhz;l Jz;b
khWk; Jz;b
tif FwpaPLtif FwpaPLtif FwpaPLtif FwpaPLtif FwpaPL
njhluhf ,izg;Gnjhluhf ,izg;Gnjhluhf ,izg;Gnjhluhf ,izg;Gnjhluhf ,izg;G
C1
C2
C3
=11
+1 1
+ + .............C
n
1
C1
C2
C3
C = C1
+ C2 + C
3 + ..................... + C
n
rkhe;ju ,izg;Grkhe;ju ,izg;Grkhe;ju ,izg;Grkhe;ju ,izg;Grkhe;ju ,izg;G
73
xspxspxspxspxsp
ntspapDlhf rfy rf;jpfSk; CLflj;jg;gLfpd;wd. vdNt xspAk;
mNjNghd;W CLflj;jg;gLk; ,ay;Gfisf; nfhz;Ls;sJ. xsp rf;jp Kjy; vd;gjhy;
gy;NtW Ntiyfisr; nra;Jnfhs;tjw;F gad;gLj;jf;$bajhf ,Ug;gNjhL NtW
rf;jp tbtq;fshf khw;wpf;nfhs;sf; $bajhfTk; cs;sJ. Qhapw;Wg; gly;fs;
(Solar Panel) %yk; kpd; cw;gj;jp nra;jy;> jhtuq;fs; xspj;njhFg;G %yk; czT
jahupj;jy; Nghd;wd ,jw;fhd cjhuzq;fshFk;.
kpd;fhe;j jpUrpaj;jpy; xU Fwpg;gpl;l tPr;rpy; mlq;fpAs;s miyfNs xspahFk;.
gy;NtW kPbwd;fspy; fjpu;g; gilia cs;slf;fpa miyj; njhFjp ||kpd;fhe;jj;
jpUrpak;\| vd miof;fg;gLk;. kpd;fhe;j miyapd; kpd;GyKk; fhe;j GyKk; mikAk;
tpjk; fPNo glj;jpw; fhl;lg;gl;Ls;sJ.
;
,q;F kpd;GyKk; fhe;jg;GyKk; xd;wpw;nfhd;W nrq;Fj;jhff; fhzg;gLk;.
xspapd; Ntfk; 3x105 ms-1(tspapy;)vDk; ngWkhdj;ijf; nfhz;Ls;sJld; ePupy;
mJ 223x103 ms-1 vDk; ngWkhdj;ijAk; fz;zhbapy; 2x105 ms-1 vDk;
ngWkhdj;ijAk; ituj;jpy; 124x103 ms-1 vDk; ngWkhdj;ijAk; nfhz;Ls;sJ.
kpd;fhe;j miyfSs; fl;Gy xsp miyfis khj;jpuk; kdpjf; fz;zpdhy;
czuf;$bajhf ,Uf;Fk.; fl;Gy miyj;njhFjp || xsp|| vd nghJg; ngauhy;
miof;fg;gLtNjhL xt;nthU miytifAk; ntt;NtW epwq;fshf fz;zpdhy;
czug;gLfpwJ. ,e;j epwj; njhFjp fl;Gyj; jpUrpak; vd miof;fg;gLk;.
kPbwd; $Ltjw;F Vw;g epwkhw;wk; njhlu;r;rpahf epfo;e;jhYk; njspthff;
fhzf;$ba epwq;fs; Vohf (7) tiuaWf;fg;gl;Ls;sJ. (glk; 3.6.2) VjhtJ xU
nghUs; xspiaj; njwpg;gilar; nra;tjdhNy mg;nghUs; njd;glf;$bajhf
css;sJ. vdpDk; nts;nshsp (vy;yh epwq;fspdJk; Nru;f;if) fz;zpy; tpOe;jhy;
xt;Nthu; xspiaAk; jdpj;jdpahf fz;zhy; ,dq;fhz KbahjpUg;gjdhy;
nts;nshspahfj; Njhd;WfpwJ.
kpd;Gyk;
kpd;fhe;j miyapd;
jpir
;fhe;jg;Gyk;
glk; 1
74
; ;
Kjd;ik epwq;fSk; Jiz epwq;fSk;Kjd;ik epwq;fSk; Jiz epwq;fSk;Kjd;ik epwq;fSk; Jiz epwq;fSk;Kjd;ik epwq;fSk; Jiz epwq;fSk;Kjd;ik epwq;fSk; Jiz epwq;fSk;
jpUrpaj;jpy; fhzg;gLk; vy;yh epwq;fisAk; Mf;ff; $ba mbg;gil epwq;fs;
%d;whFk;. mit Kjd;ik epwq;fsKjd;ik epwq;fsKjd;ik epwq;fsKjd;ik epwq;fsKjd;ik epwq;fs; vd miof;fg;gLk;. rptg;G> gr;ir> ePyk;
vd;gd Kjd;ik epwq;fshFk;. rptg;G> gr;ir> ePyk; vDk; epwq;fis fyg;gjd;
%yk; gpd;tUk; tpisTfs; ngwg;gLk;.
B - ePyk;
R - rptg;G
G - gr;ir
M - nkn[d;lh (B+R)
C - rpNad; (kapy; ePyk; ) ( B+G)
Y - kQ;rs; (R+G)
W - nts;is (B+G+R)
xU Nrhb Kjd;ik epwq;fs; xd;W Nru;tjd; %yk; Jiz epwq;fs; Njhd;Wfpd;wd.
epwj; njhiy fhl;bfspYk; Xg;nrl; mr;rplypYk; Kjd;ik epwq;fspdJk;> Jiz
epwq;fspdJk; Nru;f;if %yNk epwq;fs; ngw;Wf;nfhs;sg;gLfpd;wd.
;.
tbfisg;gad;gLj;jp epwq;fis Ntwhf;fy;tbfisg;gad;gLj;jp epwq;fis Ntwhf;fy;tbfisg;gad;gLj;jp epwq;fis Ntwhf;fy;tbfisg;gad;gLj;jp epwq;fis Ntwhf;fy;tbfisg;gad;gLj;jp epwq;fis Ntwhf;fy;
rpy nghUs;fs; xspia Kw;whf CLGftpLk;. fz;zhb> rpy nghypj;jPd;
tiffs;>ePu; Nghd;wd ,tw;wpw;fhd cjhuzq;fshFk;. mit CLfhl;Lk; nghUs;fs;
vd miof;fg;gLfpd;wd. rpy nghUs;fspd; Clhf xsp gFjpastpy; nry;Yk;.
vz;nza; fljhrp nrNyhNgd; fljhrp g+f;fz;zhb >epw%l;ba fz;zhbfs; Nghd;wd
mtw;wpw;fhd cjhuzq;fshFk;. ,it xspfrpTWk; nghUs;fs; vd miof;fg;gLk;.
W
B
YR G
M C
rptg;G kQ;rs; gr;ir nrt;T+jh Cjh
nrq;fPo;f; fjpHfs;fopA+j
h fjpHfs
;Ez; miyfs;
fl;Gy
xsp >kPbwd;
mjpfupj;jy;
glk; 3'6'2
x miyf
s;
γ miyf
s;
NwbNahmiyfs;
1012 Hz 1015 Hz
ePyk;nrk;
kQ;rs;
75
rpy nghUs;fs;pd; Clhf xsp nry;tjpy;iy. mit xspGfhg; nghUs;fs;
vdmiof;fg;gLfpd;wd. Rtu;> gyif > cNyhfj;jfLfs; Nghd;wtw;iw
mtw;wpw;cjhuzq;fshff; nfhs;syhk;. xsprpTWk; nghUl;fsp;d; Clhf xspapd;
rpy epwq;fs; nry;yhky; ,Ug;gjdhy; mit epw tbtq;fshfg; gad;gLfpd;wd.
tbapd; Clhf gy tu;zq;fs; nrYj;jg;gl;lhy; Fwpg;gpl;l epw miyfs; khj;jpuk;
tbapd; Clhf nry;tJld; kw;iwa miyfs; tbapd; Clhf mfj;JwpQ;rg;gLfpd;wd.
Muk;g fhyj;jpy; njhiyf; fhl;rpf; fkuhtpDs; epw tbfs; cgNahfpf;fg;gl;L
epw Ntwhf;fk; nra;ag;gl;lNjhL mjd; %yk; Kjd;ik epwq;fisf; nfhz;l %d;W
xspg;gpujps; ngwg;gl;ld. mNj Nghd;W glnkLj;jypYk; tbfs; gutyhfg;
gad;gLj;jg;gl;ld. Kjd;ik epw tbfspd; Clhf Kjd;ik epwq;fs; khj;jpuk;
nry;tJld; ,ilepiy tbfspd; Clhf mjw;Fupa Kjd;ik epwq;fs; ,uz;bdhYk;
fjpu;fs; nry;Yk;.
xspj;njwpg;Gxspj;njwpg;Gxspj;njwpg;Gxspj;njwpg;Gxspj;njwpg;G
xspiaj; njwpg;gilar; nra;Ak; ,ay;ig Mbfs;> xg;gkhd cNyhfj;jfLfs>;
ePu; Nkw;gug;Gf;fs; Nghd;wd nfhz;Ls;sd. xsp njwpg;gilAk; NghJ gLfjpu;>njwpfjpu;> gLGs;spapy tiuag;gl;l nrt;td; Mfpa %d;Wk; xNu jsj;jpy;
miktJld; gLNfhzKk; njwpNfhzKk; xd;wpw;nfhd;W rkdhFk;.
rptg;G+ePyk;rptg;G+ gr;ir
nts;is rptg;G nts;is gr;ir nts;is ePyk;
rptg;G tb gr;ir tb ePytb
nts;is nts;is nts;is ePyk+gr;ir
kQ;rs; tb kn[d;lh tb rpNad; tb
AB gLfjpu;
BC njwpfjpu;
BD nrt;td;
Q1
gLNfhzk;
Q2
njwpNfhzk;.
Q1 = Q
2
Y
A
D
Q1
X
C
Q2
123456789012345678901234567890121234567123456789012345678901234567890121234567123456789012345678901234567890121234567123456789012345678901234567890121234567B
glk; 3'6'3
76
123123123123123123123123123123123123123123123123123123123123123123123123123123123
Q
x
R
y
khakhd> Neuhd> nghUspd;
msthd tpk;gk; Njhd;Wk;.
;
fz;
nghUs;
jstbap;d; %yk; tpk;gk; Njhd;wy;jstbap;d; %yk; tpk;gk; Njhd;wy;jstbap;d; %yk; tpk;gk; Njhd;wy;jstbap;d; %yk; tpk;gk; Njhd;wy;jstbap;d; %yk; tpk;gk; Njhd;wy;
tisthbfs;tisthbfs;tisthbfs;tisthbfs;tisthbfs;
tisthbfs; ,U tifg;gLk;.
1 Ftpthb
2. Fopthb
Fopthb gad;gLj;jg;gLk; re;ju;g;gq;fs;Fopthb gad;gLj;jg;gLk; re;ju;g;gq;fs;Fopthb gad;gLj;jg;gLk; re;ju;g;gq;fs;Fopthb gad;gLj;jg;gLk; re;ju;g;gq;fs;Fopthb gad;gLj;jg;gLk; re;ju;g;gq;fs;
♦ rtuk; nra;ay;
♦ Nkhl;lhu; thfd kpd; tpsf;Ffspd; njwpap
♦ gy;itj;jpau;fs; Nehahspfspd; thiag; guPl;rpg;gjw;F
tisthbfspy; Njhd;Wk; tpk;gq;fs;tisthbfspy; Njhd;Wk; tpk;gq;fs;tisthbfspy; Njhd;Wk; tpk;gq;fs;tisthbfspy; Njhd;Wk; tpk;gq;fs;tisthbfspy; Njhd;Wk; tpk;gq;fs;
FopthbFopthbFopthbFopthbFopthb
;
glk; 3..6.5 glk; 3..6.5 glk; 3..6.5 glk; 3..6.5 glk; 3..6.5
Fopthbapy; Njhd;Wk; tpk;gq;fspd; mikT nghUspd; miktpw;Nfw;;g Fopthbapy; Njhd;Wk; tpk;gq;fspd; mikT nghUspd; miktpw;Nfw;;g Fopthbapy; Njhd;Wk; tpk;gq;fspd; mikT nghUspd; miktpw;Nfw;;g Fopthbapy; Njhd;Wk; tpk;gq;fspd; mikT nghUspd; miktpw;Nfw;;g Fopthbapy; Njhd;Wk; tpk;gq;fspd; mikT nghUspd; miktpw;Nfw;;g NtWgLk;.NtWgLk;.NtWgLk;.NtWgLk;.NtWgLk;.
♦ nghUspd; mikT Kbtpypahf ,Uf;Fk; NghJ tpk;gk; kpfr; rpwpajhf
khwp ghu;itapypUe;J kiwAk;.
♦ nghUspd; mikT Ftpaj;jpw;F mg;ghy; ,Uf;Fk; NghJ tpk;gk;
cz;ikahdjhfTk; jiy fPohdjhfTk; fhzg;gLk;.
♦ nghUspd; mikT Ftpaj;jpw;Fk; Mbf;Fk; ,ilapy; ,Uf;Fk;
NghJ cz;ikahd jiyfPohd cUg;ngUj;j tpk;gk; Njhd;Wk;.
♦ Ftpaj;jpy; nghUs; itf;fg;gLk; NghJ tpk;gk; Njhd;Wtjpy;iy.
♦ nghUis Ftpaj;jpw;F mg;ghy; itf;Fk; NghJ cz;ikahd jiyfPo;
tpk;gk; Njhd;WtNjhL nghUisf; Ftpaj;jpw;F mg;ghy; NkYk;
nfhz;L nrd;why; tpk;gk; Mbapd; gf;fkhf neUq;FtNjhL gUkd;
FiwtlAk;.
nghUs;
tpk;gk;;
77
FtpthbFtpthbFtpthbFtpthbFtpthb
Ftpthbapy; Njhd;Wk; tpk;gq;fs;
glk; 3.6.6
thfdq;fspy; gp;w;ghu;it ngWtjw;fhf gad;gLj;jg;gLfpwJ. ngupa gpuNjrk;
xd;iw xNu ghu;itapy; mtjhdpf;f KbAk;. ,q;F vy;yhr; re;ju;g;gq;fspYk;
khakhd> rpwpa> Neuhd tpk;gk; Njhd;Wk;. (glk; 3.6.6)
cq;fs; mwptpw;Fcq;fs; mwptpw;Fcq;fs; mwptpw;Fcq;fs; mwptpw;Fcq;fs; mwptpw;F
cz;ik tpk;gk; vdg;gLtJ xspf;fjpu;fs; Nkw;gug;gpy; njwpg;gile;j gpd;
jpiuapy; ngwf; $bathW Mbapd; Kd;dhy; xd;W Nru;j;J tpk;gk; Njhd;WtjhFk;.
kha tpk;gk; vdg;gLtJ xspf;fjpu;fs; Nkw;gug;gpy; njwpg;gile;j gpd; khakhd
Kiwapy; re;jpj;J jpiuapy; ngwKbahjthW Mbf;Fg; gpd;dhy; tpk;gk;
Njhd;WtjhFk.;
xNu jpirapy; xd;Wf;;nfhd;W rkhe;jukhf xspf; fw;iwfs; nry;Yk; NghJ
mt;nthspf; fw;iwfs; rkhe;ju xspf;fw;iwfs; vd miof;fg;gLfpd;wd.
gy;NtW jpirfspy; xsp nry;Yk; NghJ mt;nthsp tpupe;j xsp vd
miof;fg;gLfpd;wJ. fulhd Nkw;gug;Gf;fspd; %yk; tpk;gk; Njhd;Wtjpy;iy.
fulhd Nkw;gug;gpy; Njhd;Wk; njwpg;G guhty; xspj;njwpg;G vd miof;fg;gLfpwJ.
mjd; %yk; #oy; xspNaw;wg;gLkhapDk; njspthd epoy; Njhd;WtJ ,y;iy.
nts;is epwkhd my;yJ nts;is epwk; rhu;e;j Rtu;fs; %yk; Vw;gLk;
njwpg;gpd; %yk; miw xsp;Naw;wg;gLk;.
nts;is epwj;jpypUe;J epwq;fisg; gpupj;njLg;gjw;F Kwpitg; gad;gLj;jy;nts;is epwj;jpypUe;J epwq;fisg; gpupj;njLg;gjw;F Kwpitg; gad;gLj;jy;nts;is epwj;jpypUe;J epwq;fisg; gpupj;njLg;gjw;F Kwpitg; gad;gLj;jy;nts;is epwj;jpypUe;J epwq;fisg; gpupj;njLg;gjw;F Kwpitg; gad;gLj;jy;nts;is epwj;jpypUe;J epwq;fisg; gpupj;njLg;gjw;F Kwpitg; gad;gLj;jy;
Xu; Clfj;jpypUe;J gpwpNjhu; Clfj;jpw;F xspf;fjpu;fs; nry;Yk;
NghJ mjpfkhd re;ju;g;gq;fspy; mJ nry;Yk; ghijapy; khw;wk; Vw;gLfpwJ.
Clfq;fspy; ,ilg; gug;gpy; nrq;Fj;jhf xspf;fjpu;fs; re;jpf;Fk; NghJ khj;jpuk;
ghijapy; khw;wk; Vw;gLtjpy;iy.
;
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Clfk; 1
Clfk; 2
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Clfk; 1
Clfk; 2
glk; 3.6.7
.Clfq;fspd; ,ilg; gug;gpw;F Clfq;fspd; ,ilg; gug;gpw;F
nrq;Fj;jhfg; gLk; xspf; fjpu;fs; rha;thfg; gLk; xspf;fjpu;fs;
78
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mlu;
mUk;
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mlu;
mUk;
glk; 3'6'8
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fz;zhb rptg;G
tspnts;is
glk; 3.6.9
nts;nshspf; fjpH
glk; 3.6.10
miynahd;wpd; kPbwd; khw;wkilAk; NghJ Clfq;fspd; ,ilg;gug;gpy; tiuag;gl;l
nrt;tiz Nehf;fpr; rha;e;jhy; Kjy; Clfk; Ijhd Clfk; vd;Wk; ,uz;lhtJ
Clfk; mlu;e;j Clfk; vdTk; miof;fg;gLtNjhL Kwptpd; gpd; nrt;tiz
tpyf;fpr; rha;e;jhy; Kjy; Clfk; mlu;e;j Clfk; vdTk; ,uz;lhk; Clfk; Ijhd
Clfk; vdTk; miof;fg;gLk;.
tspiaAk; fz;zhbiaAk; xg;gpLk; NghJ tsp mUk; ClfkhfTk;> fz;zhb
mlu; ClfkhfTk; fUjg;gLfpwJ.
tspapypUe;J fz;zhbf;Fs; nry;Yk; kPbwd; Fiwe;j xspaiynahd;iwAk;
> kPbwd; $ba xspaiy xd;iwAk; fUjpdhy; kPbwd; Fiwe;j xspaiyia tpl
kPbwd; $ba xspaiy nrt;tid Nehf;fp rha;tijf; fhz KbAk;. glk; 3.6.9
,t;thW nts;nshsp
Kwptpd; NghJ epwq;fshf
gpupifailjy; epwg; gpupif
vd miof;fg;gLk;
,t;thW nts;nshsp Kwptpd; NghJ epwq;fshfg; gpupifailjygpupifailjygpupifailjygpupifailjygpupifailjy; epwg;
gpupifnad miof;fg;gLfpwJ. mupak; xd;iwg; gad;gLj;jp nts;nshspiag;
gpupiff;Fl;gLj;jyhk;. ( glk; 3.6.9 ) kpfj; njspthd jpUrpak; xd;iwg; ngw;Wf;
nfhs;tjw;F Ftptpy;iyiaAk; gad;gLj;jyhk;.
79
rptg;G
Cjh
rptg;G
glk; 3.6.11
Cjh
rptg;G
Cjh
kpfj; njspthd jpUrpak; xd;iwg; ngw;Wf;nfhs;tjw;F FtpTtpy;iyiaAk;
gad;gLj;jyhk;.
KwpTr;Rl;bKwpTr;Rl;bKwpTr;Rl;bKwpTr;Rl;bKwpTr;Rl;b
Xu; Clfj;jpypUe;J gpunjhU Clfj;jpw;F xsp GFk; NghJ epfOk; Kwptpd;
gUkid mstpLtjw;F KwpTr;Rl;b gad;gLfpwJ. mjd; mbg;gilapy; tspapypUe;J
VjhtJ Xu; Clfj;jpw;F xspf;fjp;u; nry;tijf; fUJk; NghJ gLNfhzk; i vdTk;
KwpNfhzk; r vdTk; vLj;Jf; nfhz;lhy; Clfj;jpd; KwpTr; Rl;b
µ= Sin i /Sin r vDk; njhlu;ghy;
ngwg;gLk;.
Kjyhk; Clfk; rhu;ghf ,uz;lhk; Clfj;jpd; KwpTr;Rl;b
1µ2 vd Fwpf;fg;gLk;
1µ2 = sin i / sin r
Kjyhk; Clfkhf tspiaj; njupT nra;J nfhz;lhy; ,uz;lhk; Clfj;jpd;
KwpTr; Rl;b jdp KwpTr; Rl;b vd miof;fg;gLk;.
,jd; mbg;gilapy; tspapd; jdp KwpTr; Rl;b = 1
fz;zhbapd; jdp KwpTr; Rl;b = 1.5
ePupd; jdp KwpTr; Rl;b = 1.33 vdTk ;
mwpag;gl;L;s;sJ.
NkNy jug;gl;Ls;s KwpTr; Rl;bg; ngWkhdq;fs; jpUrpaj;jpy; cs;s KwpTr; Rl;bg;
ngWkhdq;fs; jpUrpaj;jpy; cs;s kQ;rs; epwj;jpw;fhd KwpTr;; Rl;bfshFk;. NtW
epwq;fSf;fhd epwr; Rl;bfs; ,g;ngWkhdq;fis tpl tpj;jpahrkhdjhff; fhzg;gLk;.
tpy;iyfspdhy; Njhd;Wk; tpk;gq;fspd; gpwo;r;rpf; FiwghL ,jd; %yk; Njhd;WfpwJ.
Kjyhk; Clfk; tsp
,uz;lhk; Clfk;
fz;zhb
80
i
mlu
mUk;
mlu;
mUk;
mtjpf;Nfhzk;
glk; 3'6'12
mtjpf;Nfhzk;
glk; 3.6.15
nghUs;
cz;ikahd jiy fPohd tpk;gk;
KO cl;nlwpg;GKO cl;nlwpg;GKO cl;nlwpg;GKO cl;nlwpg;GKO cl;nlwpg;G
VjhtJ Xu; xspf;fjpu; mlu; Clfj;jpypUe;J mUk; Clfj;jpw;Fr; nry;Yk;
NghJ nrt;tid tpyf;fp KwpAk; vd mwpe;Js;sPu;. vdNt KwpNfhzk; 900 MFk;
NghJ gLNfhzk; xU ngWkhdj;ijg; ngWk;. ,g;ngWkhdk; mtjpf;Nfhzk; vd
miof;fg;gLk;. ,t;thW gLNfhzj;jpd; ngWkhdk; mtjpf; Nfhzj;jpYk; ghu;f;f
mjpfupf;Fk; NghJ mf;fjpu; mt;T+lfq;fspd; ,ilNkw;gug;gpy; Kjy; Clfj;jpw;F
njwpg;gilfpwJ.
xspapay; ehu;fspd; %yk; njhlu;ghly; nraw;ghLfsp;Yk; KO cl;njwpg;gpd; jj;Jtk;
gad;gLj;jg;gLfpwJ.
mupaq;fspy; Njhd;Wk; KO cl;njwpg;G (glk; 3.6.14) fkuh> mupa ,Utpopad;
Nghd;w cgfuzq;fspy; gad;gLj;jg;gLfpwJ.
tpy;iyfspd; Clhf xsp KwpTtpy;iyfspd; Clhf xsp KwpTtpy;iyfspd; Clhf xsp KwpTtpy;iyfspd; Clhf xsp KwpTtpy;iyfspd; Clhf xsp KwpT
tpy;iyfis FtpT tpy;iy> FopT tpy;iy vd ,U tifahf NtWgLj;jyhk;.
fkuhtpYk; fz;zpYk; FtpT tpy;iyfs; fhzg;ggLtNjhL mjpy; tpk;gq;fs; Njhd;Wk;
Kiw glj;jpy; fhl;lg;gl;Ls;sJ.
xsp
glk; 3'6'13
>
>
glk; 3'6'14
81
fkuh
FtpT tpy;iyapy; nghUspd; mikTf;Nfw;g tpk;gj;jpd; ,ay;GfSk;FtpT tpy;iyapy; nghUspd; mikTf;Nfw;g tpk;gj;jpd; ,ay;GfSk;FtpT tpy;iyapy; nghUspd; mikTf;Nfw;g tpk;gj;jpd; ,ay;GfSk;FtpT tpy;iyapy; nghUspd; mikTf;Nfw;g tpk;gj;jpd; ,ay;GfSk;FtpT tpy;iyapy; nghUspd; mikTf;Nfw;g tpk;gj;jpd; ,ay;GfSk;
mikTk;mikTk;mikTk;mikTk;mikTk;
cz;ikahd> jiy
fPohd> rpwpa
nghUspd; nghUspd; nghUspd; nghUspd; nghUspd;
mikT mikT mikT mikT mikT
tpk;gj;jpd; mikTtpk;gj;jpd; mikTtpk;gj;jpd; mikTtpk;gj;jpd; mikTtpk;gj;jpd; mikT re;jHg;gk; re;jHg;gk; re;jHg;gk; re;jHg;gk; re;jHg;gk;/
gad;ghL gad;ghL gad;ghL gad;ghL gad;ghLtpk;gj;jpd; ,ay;Gtpk;gj;jpd; ,ay;Gtpk;gj;jpd; ,ay;Gtpk;gj;jpd; ,ay;Gtpk;gj;jpd; ,ay;G
fI tpl Fiwe;j
Juk;nghUspd; gpd;dhy; khakhd> jiy
fPohd> cUg;ngUj;jnghpjhf;Fk;
tpy;iy
( if tpy;iy )
f (Ftpaj;jpy;) njd;glhJ rkhe;ju xspf;
fw;iwfisg;
ngwy;
cz;ikahd> jiy
fPohd> nghpavwpif
( Projector )
nghUspw;F vjpHg;
gf;fj;jpy; 2f w;F
mg;ghy;
cz;ikahd> jiy
fPohd> rkkhdGtpj;njhiyfhl;bnghUspw;F vjpHg;
gf;fj;jpy; 2f ,y;
f ,w;Fk;
2f ,w;Fk;
,ilapy;
2 f-
Ftpaj;jpd; ,U
klq;F Juj;jpy;
2f w;F mg;ghy; nghUspw;F vjpHg;
gf;fj;jpy; f w;Fk;
2f w;Fk; ,ilapy;
tpk;gk; khakhdJ nghUs;
epkp;u;e;jJ
glk; 3.6.16
;
nghUs;nghUs; kha epkpu;e;j
tpk;gk;
iftpy;iyapy; my;yJ nghpjhf;Fk; tpy;iyapy; Njhd;Wk; tpk;gk;
82
glk; 3.6.17
L1 tpyiyapdhy;
Njhw;Wtpf;fg;gLk;
tpk;gk;
,Wjp tpk;gk; nghpaJ>
jiyfPohdJ> khakhdJ
$l;L EZf;Ff; fhl;bapy; FtpTtpy;iy gad;gLj;Jk; NghJ Njhd;Wk; tpk;gk;
L2 tpyiyapdhy; Njhw;Wtpf;;
fg;gLk; ,Wjp tpk;gk;
Kbtpypapy; Njhd;Wk;
L1 tpyiyapdhy; Njhw;Wtpf;
fg;gLk; tpk;gk;
;
glk; 3.6.18
cLj; njhiyfhl;bapy; Ftptpy;iyapd; gad;ghL (glk; 3.6.18)
83
glk; 3.6.19
mupa ,U tpopadpy; FtpTtpy;iyapd; gad;ghL
nghUs;
tpk;gk; rpwpaJ khakhdJ>epkpHe;jJ
FopT tpy;iyfspdhy;; Njhd;Wk; tpk;gq;fs;; FopT tpy;iyfspdhy;; Njhd;Wk; tpk;gq;fs;; FopT tpy;iyfspdhy;; Njhd;Wk; tpk;gq;fs;; FopT tpy;iyfspdhy;; Njhd;Wk; tpk;gq;fs;; FopT tpy;iyfspdhy;; Njhd;Wk; tpk;gq;fs;; (glk; 3.6.20)
FopT tpy;iyapdhy; Njhd;Wk; tpk;gk; khakhd Neuhd cUr;rpWj;jjhff;
fhzg;gLk;.
glk; 3.6.20
FopT tpy;iyapdhy; Njhd;Wk; tpk;gq;fs; khakhd> Neuhd> cUr;rpWj;jitahFk;.
84
xypxypxypxypxypcq;fs; fhJfspdhy; czug;gLk; nghwpKiw miyfs; xyp vdg;gLk.; rpy
xyp miyfs; vkf;F Nfl;Fk;. NtW rpy Nfl;fhkYk; ,Uf;fyhk;. vdpDk; mjpf
tifahd xypfs; vkf;Ff; Nfl;fpd;wd. ,t;thwhd gy tifahd rj;jq;fs;
Nfl;gjw;F fhuzkha; miktJ xypapd; ,ay;GfshFk;. vdpDk; mtw;Ws; gpujhd
,ay;Gfshf RUjp> cug;G> gz;G Mfpatw;iwf; Fwpg;gplyhk;. . mj;Jld; xyp
CLflj;jg;gLtjw;F Clfk; mtrpakhFk;.
RUjp:RUjp:RUjp:RUjp:RUjp: xypapd; Xu; ,ay;ghFk;. ,J xypiaj; Njhw;Wtpf;Fk; miyapd;
kPbwdpy; jq;fpAs;sJ. . ,jd; mbg;gilapy; xypapd; fulhd/
nkd;ikahd jd;ik mikAk;;. jho; kPbwd; nfhz;l rj;jq;fs;
fulhdjhfTk;> cau; kPbwd; nfhz;l rj;jq;fs; nkd;ikahdjhfTk;
fhjpdhy; czug;gLk;. vt;thwhapDk; RfNjfpahd kdpjf;fhjpdhy;
20 Hz Kjy; 20>000 Hz tiuahd kPPbwd; tPr;irf; nfhz;l xypia
czu KbAk;.
cug;G:cug;G:cug;G:cug;G:cug;G: xypapd; gyj;ijf; Fwpf;Fk; ,J Njhw;Wtpf;fg;gLk; xyp miyapd;
tPr;rj;jpy; jq;fpas;sJ. tPr;R mjpfkhapd; $ba cug;G nfhz;l
xyp Njhw;Wtpf;fg;gLk;.cug;G nghd;(Phon)vDk; myfpdhy;mstplg;gLk;.
gz;G:gz;G:gz;G:gz;G:gz;G: xNu Ruj;ijf; nfhz;L gy rq;fPj cgfuzq;fspd; %yk; Njhw;Wtpf;
fg;gLk; xypapd; %yk; me;j cgfuzj;ij ,dq;fz;Lnfhs;s KbAk;.
,jw;Ff; fhuzk; rj;jj;jp;d;; gz;;G MFk;. miyfspd; tbtj;jpy;
Vw;gLk; rpwpa khw;wq;fSk; xypapd; gz;gpy; nry;thf;Fr; nrYj;Jk;.
,t;thW khw;wk; Vw;gLtjw;fhd fhuzk; mjpUk; nghUspd;
Kjw;nwhdpAk; Nkw;nwhdpAk; xd;Wld; xd;W njhlu;Gw;W mjw;F
xj;j miy fspdhy; tpisAs; miy Njhd;WtNjahFk;.
(glk; 3.7.1)
♦ miyapd;kPbwd;
mt;tiy Njhw;W
tpf;fg;gLk; Kjypd;
,ay;ghFk;.
♦ Xu; Clfj;jpypUe;J
gpwpnjhU Clfj;jpw;F
xyp nrd;whYk;
miyapd;kPbwd;
khwhJ.
♦ Ntfk; khWk;. f =
f miyePsk;.
; T Mtu;j;jd fhyk;
tayPd;
rPo; Foha;
,irf; fit
85
nghUs; xd;iw mjpur;nra;jhy; ,aw;ifahd kPbwd; Njhw;Wtpf;fg;gLk;. ,aw;ifahfg;
ngwg;gl;l kPbwd; njupT nra;ag;gl;l nghUspw;Fupa xypapd; ntfj;jpy; jq;fpAs;sJ.
xypahdJ thA> jput jpz;k> Clfq;fspd; Clhf CLfljCLflj;jypd; NghJ
kPbwd; Kf;fpaj;Jtk; ngWtJld; ghapfspd; Clhd CLflj;jypy; tspapd; mlu;j;jpAk;
gizg;G kl;Lk; nry;thf;F nrYj;JtJld; jpz;kq;fspd; Clhd CLflj;jypy;
mlu;j;jpAk; aq;qpd; kl;Lk; nry;thf;Fr; nrYj;Jk;. ntg;gepiy khwhjpUf;Fk; NghJ
mKf;fj;ij mjpfupj;jhy; mjw;Nfw;g mlu;j;jp mjpfupg;gjhy; Ntfk; khw;wj;jpw;F
cs;shtjpy;iy.
xypahdJ thAf;fspd; Clhf Fiwe;j Ntfj;Jld; CLflj;jg;gl;lhYk;
jputq;fspd; Clhf mijtplf; $ba Ntfj;JlDk;> jpz;kq;fspd; Clhf mjp$ba
Ntfj;JlDk; CLflj;jg ;gLk; . tspapy; xypapd; Ntfk; 330ms-1 vdf;
fUjg;gLfpd;wJ.(XuyF Neuj;jpy; Vw;gLk; ,lg;ngau;r;rp miyapd; Ntfk; vd
miof;fg;gLk;.
tspapd; Clhd xyp CLflj;jy; nel;lhq;F Kiwapy; epfOk;. rf;jp CLflj;jg;gLk;
jpirf;F rkhe;jukhf mLj;JtUk; mjpu;Tfs; Njhd;Wtjhy; Vw;gLk; miyfs;
nel;lhq;F miyfs; vd miof;fg;gLk;.
nel;lhq;F miynahd;W gazk; nra;Ak; NghJ Clfj;jpd; topNa
Kd;Ndhf;fpg; gazk; nra;Ak; neUf;fy;fy;fSk;> Ijhf;fy;fSk; Njhd;Wfpd;wd.
mg;NghJ Clfj;jpd; kw;iwa gilfspy; Njhd;Wk; ,af;fk; fPNo fhl;lg;gl;lthW
fhzg;gLk;.
Clfk;Clfk;Clfk;Clfk;Clfk; xypapd; Ntfk;.xypapd; Ntfk;.xypapd; Ntfk;.xypapd; Ntfk;.xypapd; Ntfk;. - ms-1
O0 C - tsp. 331
20O C - tsp. 343
mYkpdpak; 5000
fz;zhb. 4540
cUf;F 5200
25O C ;ePu; 1478
25O C fly;ePu; 1531
mupkuk;; 3850
Ijhf;fk;> neUf;fy;> Ijhf;fk>; neUf;fy;> Ijhf;fk;
rpypq;fp
glk; 3.7.2
xyp miy gazk; nra;Ak; jpir
86
<u;f;fg;glhj cNyhfj;jpd; Clhf nel;lhq;F Kiwapy; xyp CLflj;jg;gLtNjhL
<u;f;fg;gl;l cNyhfq;fspd; Clhf FWf;fiy tbtpy; xyp CLflj;jg;gLfpd;wJ.
nghwpKiw FWf;fiyfs; Njhd;Wtjw;F Clf %yf;$WfSf;fpilNa
kPs;jd;ik nfhz;l gpizg;Gf;fs; fhzg;gly; Ntz;Lk;. nel;lhq;F miyfs;
Njhd;Wtjw;F %yf;$WfSf;F ,ilNa kPs;jd;ik nfhz;l gpizg;Gf;fs; ,Uj;jy;
mtrpakpy;iy
miyapd; Ntfk;:miyapd; Ntfk;:miyapd; Ntfk;:miyapd; Ntfk;:miyapd; Ntfk;: myF Neuj;jpy; Vw;gl;l ,lg;ngau;r;rp MFk;.
miy ePsk; :miy ePsk; :miy ePsk; :miy ePsk; :miy ePsk; : tpUj;jp miyapd; mtj;ijkhw;wk; 360o Md gpd;dLk;
Jzpf;iffs; ,uz;bw;fpilNaahd fpl;ba Jhuk; MFk;.
(mLj;Js;s ,uz;L cr;rp/jhopfSf;fpilapyhd FWfpa
Juk;)
p = tPr;R
λ = miy ePsk;
v = Ntfk;
f = kPbwd;
♦ miynahd;wpd; kPbwd; vdg;gLtJ me;j miyiaj; Njhw;Wtpf;Fk;
Kjypd; ,ay;ghFk;.
♦ Xu; Clfj;jpyUe;J kw;Nwhu; Clfj;jpw;F nrd;whYk; miyapd;
kPbwd; khWgLtjpy;iy.
xypxypxypxypxypapd; nrwpT : apd; nrwpT : apd; nrwpT : apd; nrwpT : apd; nrwpT : xypr ; rf;jp nry;Yk; jpirf;F nrq;Fj;jhf Mf;fg;gl;l
myFg;gug;gpd; Nky; XuyF Neuj;jpy; tpOk; xypr; rf;jpapd msT xypr;nrwpthFk;.
msthFk;. xypr;nrwpT Wm-2 vDk; myfpy; mstplg;gLfpd;wJ. miyapd; tPr;rj;ijg;
Nghd;W miyapd; tbtKk; xypapd; nrwptpy; nry;thf;Fr; nrYj;JfpwJ.
kdpjf; fhjpdhy; czuf;$ba xypr;nrwpTg; ngWkhdk; Nfs;jF vy;iy
vd miof;fg;gLk;. 2.4 kHz kPbwd; nfhz;l xyp miy xd;wpd; Nfs;jF vy;iy
1X 10-12 Wm-2 MFk;(0 dB) kdpjf; fhjpdhy; Nehtpd;wp czu;itg; ngwf;$ba xypr;
nrwptpd; cau; ngWkhdk; NehEiotha; vd miof;fg;gLk;. (,J kPbwdpy; ghupa
tpisTfis Vw;gLj;jhJ. 1 Wm-2 MFk;) (120dB.)
Nfhsj;jpd; Miu r vdpd; Nfhsj;jpd; Nkw;gug;gpd;
gug;gsT =4πr2
cw;gj;jp tY P MFk; NghJ Gs;sp A miktpy;
xypr;nrwpT I Mapd;
I =p/4πr2
ngWgtu; ,Uf;Fkplj;jpy; xypr;nrwpT =xyp cw;gj;jp tY
4π x ^ngWgtu; tiuapyhd Juk;&2
r. .P
87
xyp miyfs; kPnghUj;jypw;F cl;glyhk;. ,uz;L xypaiyfs; rf;jp tpuakpd;wp
xNu ghijapy; vjpu;j;jpirapy; nry;y KbAk;. maypy; ,uz;L tPLfspy; Vw;gLk;
gpur;rpidfspd; NghJ xNu Neuj;jpy; $wg;gLk; tplaq;fs; ,U gf;f tPLfSf;Fk;
NtWNtwhff; Nfl;ff; $bajhf ,Ug;gJ ,jdhNyahFk;.
xypaiyfs; njwpg;gpw;F cs;shf;fg;glyhk;. Nkw;gug;nghd;wpy; xypaiyfs;
njwpg;gilAk; NghJ gL Gs;spapy; gLNfhzKk; njwpNfhzKk; 180o mtj;ij
tpj;jpahrj;ijf; fhl;Lk;. vdNt VjhtJ xypaiyf;F njwptiiy tiuAk; NghJ
njwpNkw;gug;igj; jhz;b miy ePsj;jpd; miug; gFjpiag; ngw;W mjw;fg;ghy;
miy tbtj;ij njwpNkw;gug;gpd; mLj;j gf;fkhf tiuag;glyhk;.
xypj; njwpg;gpd; gad;ghLxypj; njwpg;gpd; gad;ghLxypj; njwpg;gpd; gad;ghLxypj; njwpg;gpd; gad;ghLxypj; njwpg;gpd; gad;ghL
kPd;gpbf; ifj;njhopypy; Mo;flypy; kPd; $l;lq;fspd; mikit mwpe;J
nfhs;tjw;F kPd;gpb ts;sq;fspypUe;J flypDs; nrYj;jg;gLk; xyp mbg;nghd;W
(rpw;wiy) kPd; $l;lq;fspd; %yk; njwpg;gile;J kPz;Lk; ts;sj;ij milAk;. Neu
,ilntspiaAk; ePupd; Clhf xyp nry;Yk; Ntfj;ijAk; mwptjd; %yk; kPd;
$l;lj;jpd; mikit jPu;khdpf;f KbAk;. Mokhd Ruq;fq;fspd; Moj;ij mstply;>
itj;jpaj; Jiwapy; fop xyp miyfspd; njwpg;igg; gad;gLj;jp cWg;Gf;fSf;F
nrYj;jg;gLk; fopnahyp miyfspd; njwpg;igg; ngWtjd; %yk; cWg;Gf;fspd;
tbtk; jPu;khdpf;fg;gLfpwJ.
vjpnuhyp:vjpnuhyp:vjpnuhyp:vjpnuhyp:vjpnuhyp: xUtupd; fhjpDs; nry;Yk; xyp 1/10 nrf;fDf;F fhjpDs;
jq;fp apUf;Fk;. mNj xyp xU Nkw;gug;gpdhy; njwpg;gile;J 1/10
nrf;dpd; gpd; kPz;Lk; mtdJ fhjpw;Ff; Nfl;Fkhap;d; ,uz;lhk;Kiw
Ak; mNj xypiaj; njspthff; Nfl;ff; $bajhf ,Uf;Fk;. ,J
vjpnuhyp vd miof;fg;gLk;. tsp kz;lyj;jpy; vjpnuhypiaf; Nfl;f
Ntz;Lkhap;d; mtjhdpg;gtu; njwp Nkw;gug;gpypUe;J 330/10x2 m(16.5
m) ,w;F mjpf Juj;jpy; ,Uf;f Ntz;Lk;. vjpnuhypia ,opthf;fpf;
nfhs;tjw;F rpdkhf; nfhl;liffs;> xyp>xspg;; gjpT epiyaq;fs;
Nghd;wtw;wpd; Rtu;fs;> ghTfs; vd;gd fuL Kulhf;fg;gLk;;. xyp
miyfs; KwpTf;Fl;gLfpd;wd. Xu; Clfj;jpypUe;J kw;Nwhu;
Clfj;jpw;F xyp nry;Yk; NghJ mjd; Ntfk; NtWgLk;. Gtpapd;
Nkw;gug;gpw;F mUfpy; ,Ue;J Njhw;Wtp;f;fg;gLk; xyp gfy; Ntisia
tpl ,uT Ntisfspy; mjpf Juj;jpw;F Nfl;Fk;. gfypy; thA
ntg;gNkw;wg;gLtjhy; tspkz;lyNkw;gug;gpy; cs;s tspapd; mlu;j;jp
FiwtilAk;. ,uT Ntisfspy; tspj;Jzpf;iffs; Fspu;tiltjhy;
mlu;j;jp mjpfupf;Fk;.
gL xyp miy
njwp xyp miy
88
nlhg;su; tpisTnlhg;su; tpisTnlhg;su; tpisTnlhg;su; tpisTnlhg;su; tpisT
xyp Kjnyhd;Wf;Fk; mtjhdpg;gtUf;FkpilNa rhu; ,af;fk; eilngWk;
NghJ mtjhdp;g;gtUf;F fpilf;Fk; kPbwd; (xyp kPbwd;) Kjypd; cz;ik kPbwid
tpl NtWgly; nlhg;su; tpisT vd miof;fg;gLk;.
nlhg;su; tpistpd; nra;Kiwg; gpuNahfk;nlhg;su; tpistpd; nra;Kiwg; gpuNahfk;nlhg;su; tpistpd; nra;Kiwg; gpuNahfk;nlhg;su; tpistpd; nra;Kiwg; gpuNahfk;nlhg;su; tpistpd; nra;Kiwg; gpuNahfk;
Gtpapd; Nkw;gug;gpy; epw;Fk; Nehf;Fdupw;F Nkyhy; n[l; tpkhdk; xd;W
gwf;Fk; NghJk; n[l; tpkhdk; mtid Nehf;fp tUk; NghJk; mtDf;Ff; Nfl;Fk;
RUjp mjpfkhtNjhL mtidj; jhz;br; nry;Yk; NghJ xypapd; RUjp FiwthfTk;
fhzg;gLk;.
itj;jpaj; JiwapYk; mjpfkhd Nrhjidfspy; fopnahypf; fjpu;fspd;
nlhg;su; tpisT gad;gLj;jg;gl;L FUjpf;fyq;fspd; Ntfk; jPu;khdpf;fg;gLfpd;wJ.
Ntf vy;iyiaj; jhz;b XLk; thfdq;fis fhz;gjw;F Nulhu; Ntfkhdpfs;
%yk; Ez;zpa miyfs; nrYj;jg;gl;L Ntfkhdpia neUq;Fk; thfdq;fspy;
gl;Lj; njwpg;;gile;j gpd; kPz;Lk; Ntfkhdpahy; ngwg;gl;L ntspaplg;gl;l miyf;Fk;
njwpg;gile;j miyf;Fk; ,ilapyhd NtWghl;bd; %yk; Ntfk; jPu;khdpf;fg;gLk;.
tpUj;jpaiyfspd; jiyaPLtpUj;jpaiyfspd; jiyaPLtpUj;jpaiyfspd; jiyaPLtpUj;jpaiyfspd; jiyaPLtpUj;jpaiyfspd; jiyaPL
xNu Neuj;jpy; xNu mtj;ijapy; xNu kPbwd; nfhz;l miyfs; gpwg;gpf;fg;gLk;;
NghJ mit kPs; nghUj;jj;jpdhy; rpy Ntisfspy; cau; tPr;rk; nfhz;l
miyahfTk; rpy Ntisfspy; ,opT tPr;rk; nfhz;l miyahfTk; Njhd;Wjy;
jiyaPL vd miof;fg;gLk;. tPr;R cau; ngWkhdk; ngWk; NghJ Mf;fg+u;tkhd
jiyaPL vdTk;> tPr;R ,opthFk; NghJ mopitj; Njhw;Wtpf;Fk; jiyaPL vdTk;
miof;fg;gLk;.(glk; 3.7.5)
glk; 3'7'5 ; glk; 3.7.6
;.
y miy
ymiy
x+y kPSw;gj;jp miy
,q;F tPr;rk;>nrwpT
mjpfupj;Js;sJ
x miy y miyx miy
y miy
x+y kPSw;gj;jp miy
,q;F tPr;rk;>nrwpT
mjpfupj;Js;sJ
x+y jiyaPlhd miy
,q;F tPr;rk;>nrwpT
Fiwe;;Js;sJ
89
X miy
Y miy
Y miy
X miy
glk; 3.7.5 glk; 3.7.6
gupTgupTgupTgupTgupT
nghUs; xd;wpd; type;j kPbwd; mg;nghUspd; ,aw;ifahd kPbwDf;F rkdhFk;
NghJ nghUspd; mjpu;T tPr;rk; gbg;gbahff; $b ,Wjpapy; cr;r tPr;rj;ijAk;
cr;r rf;jpiaAk; nfhz;ljhf mjpu;jy; guptpd; NghJ eilngWk; epfo;thFk;.
rpWePuff; Foha;fspy; gjpe;J fhzg;gLk; rpWfw;fspd; mjpu;tpd; kPbwDf;F
rkdhd xypaiyapd; fhuzkhf mtw;wpy; gupT Vw;gl;L fod;W tpo gupTj; njhopEl;gk;
gad;gLj;jg;gLk; xU re;ju;g;gkhFk;. nghUnshd;iw mjpu;tilar; nra;j NghJ
mJ ,aw;if kPbwdpy; ; njhopw;gLk; NghJ mjpUk; NtW nghUl;fs; guptpw;Fl;gLk;.
cug;ig mjpfupg;gjw;F gupT gad;gLj;jg;gLfpd;wJ.
c-k; ♦ euk;Gf; fUtpfspy; ngl;bnghUj;jg;gly;.
♦ euk;Gf; fUtpfspy; Nkyjpff; fk;gpfs; gad;gLj;jy;
♦ fhw;Wf; fUtpfspy; Foha;fisg; gad;gLj;jy;
RUjpia mjpfupg;gjw;F tsp epuy;fspd; ePsj;ijf; Fiwj;jy;> cNyhff; Nfhy;fspd;
ePsj;ijf; Fiwj;jy;> ,Of;fg;gl;l fk;gpfspd; ,Oitia mjpfupj;jYk; ePsj;ijf;
Fiwj;jYk; Nghd;w Kiwfs; gad;gLj;jg;gLk;. ,Of;fg;gl;l ,ioapy; xypapd;
Ntfj;ij mjpfupg;gjpy; fPo;tUk; fhuzpfs; nry;thf;F nrYj;Jfpd;wd.
♦ ,Oitia mjpfupj;jy;
♦ myF ePsj; jpzpitf; Fiwj;jy;
Nghd;wtw;wpd; %yk; ,ioapy; xypapd; Ntfj;ij mjpfupf;f KbAk;.
xypahdJ ,iur;ry;>,irr;Ruk; Mfpa ,uz;ilAk; cs;slf;fpaJ. ntbj;jy;>
gyifj; Jz;Lfs; Nkhjy; Nghd;wtw;wpdhy; xOq;fw;w neUf;fy;fs;> Ijhf;fy;fs;
Njhd;wy;; ,iur;ry; Vw;glf; fhuzkha; miktJld; xOq;fhd mjpu;it Vw;gLj;Jk;
nghUl;fspdhy; ,irr;Ruk; Njhw;Wtpf;fg;gLfpd;wJ.
X+Y kPAUthd miy
miy tPr;rk;> nrwpT
mjpfhpg;G Vw;gl;Ls;sJX-Y jiyaPlhdJ
miy tPr;rk;> nrwpT
FiwT Vw;gl;Ls;sJ
Ruk; r up f k g j ep r
kPbwd;Hz 256 288 320 341 384 426 480 512
90
Zn Zn2+ + 2e
4.4.4.4.4.njhopDl;gj;Jld; njhlu;Gila ,urhadtpay;njhopDl;gj;Jld; njhlu;Gila ,urhadtpay;njhopDl;gj;Jld; njhlu;Gila ,urhadtpay;njhopDl;gj;Jld; njhlu;Gila ,urhadtpay;njhopDl;gj;Jld; njhlu;Gila ,urhadtpay;
kpd; Kyhkply; kpd; Kyhkply; kpd; Kyhkply; kpd; Kyhkply; kpd; Kyhkply; Zn
mg;NghJ rkepiyiag; gpd;tUkhW fhl;lyhk;.
Zn2+mad;
fiury;
,k;kpd;thapy; Njhd;Wk; mOj;jj;ij jdpahf gpuNahfuPjpapy; mstpl KbahJ.
vdpDk; epak epiyapd; fPo; (1m fiury; /at m, 298 k) Ijurd; kpd;thapw;F rhu;ghf
xt;nthU cNyhf kpd;tha;fspdJk; mOj;jq;fs; gupNrhjid thapyhff;
fz;Lgpbf;fg;gl;Ls;sd. mg;ngWkhdq;fis jho; kiwg; ngWkhdj;jpypUe;J cau;
Neu;g; ngWkhdk; tiu gbKiwahf mikg;gjd; %yk; xU njhlu; ngwg;gl;Ls;sJ.
mj;njhlu; kpd;dpurhadj;njhlu; vd miof;fg;gLfpwJ. mj;njhlupd; kpd;tha;fs;
rpytw;wpd; epak kpd;tha; mOj;jq;fs; fPOs;s ml;ltizapw; fhl;lg;gl;Ls;sJ.
cNyhfk;e pak kpd ;tha;,yj;jpud ;
mOj;jk; ^E0& Nthy;w;wpy;
,ypj;jpak; - Li /Li+ -3'04
nghw;whrpak; - K /K+ -2'92
fy;rpak; - Ca /Ca2+ -2'82
Nrhbak; - Na/ Na+ -2'71
kfdPrpak; - Mg /Mg2+ -2'38
mYkpdpak; - Al /Al3+ -1'66
rpq;F - Zn /Zn2+ -0'76
<ak;; - Pb /Pb2+ -0'13
Ijurd - H2 /H+ 0'00
nfhg;gu; - Cu /Cu2+ 0'34
rpy;tu - Ag/Ag2+ 0'80
Nfhy;l; - Au/Au+ 1'50
91
Nkw;Fwpg;gpl;l ml;ltizapy; rpy %yfq;fspd; epak kpd;dpay; mOj;jq;fs;
jug;gl;Ls;sd. mit kpd;dpurhadj; njhlupy; fhzg;gLk; rpy %yfq;fshFk;.
,j;njhlupy; NkypUe;j fPo;Nehf;fpr; nry;Yk; NghJ mk;%yfq;fspd; jhf;Fjpwd;
Fiwe;J nfhz;L NghFk;.
njhlupy; NkYs;s cNyhfq;fspd; jho;j;Jk; ,ay;G FiwT. xl;rpNaw;Wk;
,ay;G mjpfk;. ,jdhy; njhlupy; NkYs;s cNyhfk; fPOs;s cNyhfj;jpd;
maDld; jhf;fKwr; nra;Ak; NghJ cNyhfk; xl;rpNaw;wg;gl;L xj;j cNyhf
mad; jho;j;jYf;Fl;gLfpd;wJ.
,e;j kpd;dpurhadj; njhlupy; NkNy kf;dPrpaKk; mjw;fLj;J rpq;Fk; fPNo
nfhg;gUk; fhzg;gLfpd;wJ. kf;dPrpak; my;yJ rpq;F Jz;nlhd;iw maidf;
nfhz;Ls;s fiurypy; ,l;lhy; fPOs;s rkd;ghLfspy; fhl;lg;gl;lthW nfhgu;
,lk;ngau;f;fg;gLk;.
; kfdPrpak; %yk; nfhg;gu; ,lk; ngau;f;fg;gly; rpq;F %yk; nfhg;gu; ,lk;
ngau;f;fg;gLtij tpl ,yFthf eilngWk.;; kfdPrpak; Jz;nlhd;iw rpq;F
maidf; nfhz;Ls;s fiurypy; ,l;lhy; mad;fs; rpq;F cNyhfkhf khWk;.
Mg(aq)
+ Zn 2+ (aq)
→ Mg2+ + Zn(s)
,jdbg;gilapy; kf;dPrpak; %yk; rpq;F madhf jho;j;jg;gLfpd;wJ. njhlupy;
NkYs;s cNyhfq;fspd; xl;rpNaw;Wk; jpwd; mjpfupg;gNjhL fPOs;s cNyhfq;fspd;
xl;rpNaw;Wk; jpwd; FiwtiltijAk; fhzyhk;.
cNyhfq;fspd; ,Ug;Gk; mtw;iwg; gpupj;njLj;jYk;cNyhfq;fspd; ,Ug;Gk; mtw;iwg; gpupj;njLj;jYk;cNyhfq;fspd; ,Ug;Gk; mtw;iwg; gpupj;njLj;jYk;cNyhfq;fspd; ,Ug;Gk; mtw;iwg; gpupj;njLj;jYk;cNyhfq;fspd; ,Ug;Gk; mtw;iwg; gpupj;njLj;jYk;
cNyhfq;fspd; ,aw;ifahd ,Ug;Gk; mtw;wpd; gpupj;njLg;G KiwfSk;
gy;NtW tifg;gLk;. mjhtJ mt;TNyhfk; kpd;dpurhadj; njhlupy; mike;Js;s
,lj;jpw;Nfw;g mJ ,aw;ifapy; fhzg;gLk; tpjk; NtWgLk;;. cjhuzkhf nghw;whrpak;
(K), Nrhbak; (Na), kf;dPrpak; (Mg) Nghd;w cNyhfq;fs; kpd;dpurhadj; njhlupy;
NkNy mike;Js;sd. ,it ,aw;ifapy; mtw;wpd; FNshiul;Lf;fshff;
fhzg;gLfpd;wd. vdpDk; mt;TNyhfq;fSf;F fPOs;s fy;rpak; (Ca), kf;dPrpak;
(Mg), rpq;F (Zn), ,Uk;G(Fe), nfhg;gu;(Cu) Nghd;w cNyhfq;fs; mtw;wpd;
fhgNdw;Wf;fshfNt fhzg;gLfpd;wd. NkYk; ,k;%yfq;fSf;Fk; fPOs;s mYkpdpak;
(Al), upd;(Sn) Nghd;w cNyhfq;fs; mtw;wpd; xl;irl;Lf;;fshff; fhzg;gLfpd;wd.
rpq;F(Zn), ,Uk;G(Fe), flkpak; (Cd), NfhNghw;W(Co), epf;fy; (Ni), nyl; (Pb), nfhg;gu;
(Cu), Nku;fup (Hg) Nghd;w cNyhfq;fs; mtw;wpd; ry;igl;Lf;fshff; fhzg;gLfpd;wd.
rpy;tu; (Ag), gpsw;wpdk; (Pt), Nfhy;l; (Au) Nghd;w RahjPd cNyhfq;fshff;
fhzg;gLfpd;wd. kpd;dpurhadj; njhlupy; NkYs;s cNyhfq;fs; cg;Gf;fshf
,aw;ifapy; fhzg;gLtNjhL ,j;njhlupy; fPOs;s %yfq;fs; RahjPd epiyapy;
Mg(s)
+ Cu2+
(aq)Mg2+
(aq) + Cu
(s)
Zn(s)
+ Cu2+
(aq)Zn2+
(aq) + Cu
(s)
Mg(s)
Mg2+
(aq) +2e
Zn(s)
Zn2+
(aq) +2e
Cu(aq)
+2e Cu(s)
MfTk;>
MfTk;Xl;rpNaw;wk;miltNjhL
MfTk; jho;jljg;gLfpwJ.
92
,aw;ifapy; fhzg;gLfpd;wd.
kpd;dpurhadj; njhlupy; cNyhfj;jpd; miktplj;jpw;F Vw;g mt;TNyhfj;ijg;
gpupj;njLf;Fk; KiwAk; tpj;jpahrg;gLfpd;wJ. vdNt mj;njhlupd; Nkyhf
tifg;gLj;jg;gLj;jg;gl;Ls;s cNyhfq;fisg; gpupj;njLg;gjw;F kpd;gFg;G Kiw
gad;gLj;jg;gLfpd;wJ. mjhtJ ,ypj;jpak; (Li), nghw;whrpak; (K), fy;rpak; (Ca),
Nrhbak; (Na), kf;dPrpak; (Mg), Nghd;wd cw;gj;jpahf;fg;gLtJ kpd;gFg;gpd;
%yNkahFk;. kpd;gFg;gpw;fhf mtw;wpd; cUfpa FNshiul;L gad;gLj;jg;gLfpd;wJ.
cjhuzk; NaCl I kpd; gFj;jy;
fNjhl;by;
Na+ + e ¦ Na (cNyhfk;)
mNdhl;by;
2Cl- ¦ Cl2+ 2e
kpd;dpurhadj; njhlupy; ,ilg;gFjpapy; cs;s cNyhfq;fspd; xl;irl;Lf;fs;
(,aw;ifapy; fhzg;gLk; Kiw)fhgd; my;yJ fhgd; nkhNdhl;irl;bd; %yk;
jho;j;jg;gl;L mt;TNyhfk; gpupj;njLf;fg;gLfpd;wJ.
c-k; ,Uk;Gj; jhJ (Fe2O
3) gad;gLj;jp ,Uk;igg; ngWjy;
Fe2O
3 + C ¦ CO
2+ Fe
my;yJ
FeO3 + CO ¦ CO
2 + Fe
rpq;F (Zn). nyl; (Pb), upd; (Sn) Nghd;w cNyhfq;fSk; ,t;thNw jho;j;jy;
%yk; gpupf;fg;gLfpd;wJ.
kp;d;dpurhadj; njhlupd; fPo;g;gl;l gFjpapy; cs;s cNyhfq;fshf FNuhkpak;
(Cr), ijNjdpak;(Ti) Nghd;w cNyhfq;fs; mt;TNyhfq;fis tpl jhf;Fjpwd;
$ba cNyhfq;fspd; %yk; ,lk;ngau;j;jy; KiwapNy gpupj;njLf;fg;gLfpd;wd.
c-k; Cr2O
3 + 2Al ¦ Al
2O
3 + 2Cr
Ti Cl4 + 4Na ¦ 4NaCl +Ti
TiCl4 + 2Mg ¦ 2MgCl
2 + Ti
,j;jhf;fq;fs; cau; ntg;gepiyapYk; ePuw;w epiyapYk; epfo;j;jg;gLfpd;wd.
czT ew;fhg;gpw;fhfg; gad;gLk; ,urhadg; gjhu;j;jq;fs;czT ew;fhg;gpw;fhfg; gad;gLk; ,urhadg; gjhu;j;jq;fs;czT ew;fhg;gpw;fhfg; gad;gLk; ,urhadg; gjhu;j;jq;fs;czT ew;fhg;gpw;fhfg; gad;gLk; ,urhadg; gjhu;j;jq;fs;czT ew;fhg;gpw;fhfg; gad;gLk; ,urhadg; gjhu;j;jq;fs;
gz;ila fhyk; njhl;Nl czT rikg;gjpYk; ePz;lfhyk; NgZtjpYk;
RL;jy;> GifA+l;ly;> cyu;j;Jjy;> ePufw;wy; Nghd;w cj;jpfs; gad;gLj;jg;gl;ld.
mr;re;ju;g;gq;fspy; cztpy; ,urhad> ngsjPf> capupay; khw;wq;fs; rpwpa mstpy;
Vw;gl;lhYk; cztpy; Ez;zq;fpfspd; tsu;r;rp fl;Lg;ghl;bw;Fs; fhzg;gl;lJ.
gz;ila kdpju; Nkw;Fwpg;gpl;l Kiwapy; Ez;zq;fpfisf; fl;Lg;gLj;jy;
%yk; czitg;ghJfhj;jdu;. mq;F ,aw;if Kiwfs; gad;gLj;jg;gl;lNjhL
,urhadg; gjhu;j;jq;fshf mtu;fs; cg;Gf; fiury;> rPdpf;fiury; (Njd;) Nghd;wtw;iw
khj;jpuk; gad;gLj;jpAs;;shu;fs;.
vt;thwhapDk; ,d;Wk; $l ,t;thwhd gioa Kiwfs; gad;gLj;jg;gLfpd;wd.
93
mt;thW gad;gLj;jg;gLtjw;fhd fhuzk; mk;Kiwfspy; ed;ikfs;
fhzg;gLtNjahFk;.
vdpDk; njhopEl;gj; Jiwapd; tsu;r;rp fhuzkhf ,d;W czT ghJfhg;gpy;
Vwj;jho 10>000 ,urhadg; gjhu;j;jq;fs; gad;gLj;jg;gLfpd;wd. ,t;tpurhadg;
gjhu;j;jq;fs; czT jahupg;gpd; NghJk;> czitg; nghjp nra;Ak; NghJk;>
fsQ;rpag;gLj;Jk; NghJk; gad;gLj;jg;gLfpd;wd.
czT ew;fhg;gpd; NghJ ,urhadg; gjhu;j;jq;fs; Vd; Nru;f;fg;gLfpd;wd?czT ew;fhg;gpd; NghJ ,urhadg; gjhu;j;jq;fs; Vd; Nru;f;fg;gLfpd;wd?czT ew;fhg;gpd; NghJ ,urhadg; gjhu;j;jq;fs; Vd; Nru;f;fg;gLfpd;wd?czT ew;fhg;gpd; NghJ ,urhadg; gjhu;j;jq;fs; Vd; Nru;f;fg;gLfpd;wd?czT ew;fhg;gpd; NghJ ,urhadg; gjhu;j;jq;fs; Vd; Nru;f;fg;gLfpd;wd?
czT ew;fhg;Gr; nraw;ghl;bd; NghJ gy;NtW Ntiyfisr; nra;J
nfhs;tjw;F gy;NtW ,urhadg; gjhu;j;jq;fs; gad;gLj;jg;gLfpd;wd. mr;nraw;ghl;bd;
NghJ> eilngWk; NtiyfSs; rpytw;wpw;fhfg; gad;;gLj;jg;gLk; ,urhadg;
gjhu;j;jq;fs; fPNo jug;gl;Ls;sd.
1. ew;fhg;Gg;nghUs;fs; Preservatives
2. Fok;ghf;fpfs; Emulsifiers
3. eLepiyahf;fpfs; Neutralizing Agents
4. Jz;bfs; Sequestant Agents
5. cWjpahf;fpfs; Stabilizers
6. nfl;bahjiyj; jtpu;g;;git Anticaking Agent
7. RitA+l;bfs;>epw%l;bfs; Flavouring and Colouring Agent
8. Nghriz kpif epug;gpfs; Nutritional Suppliment
Nkw;Fwpg;gpl;l NtiyfSf;fhf gyNtW ,urhadg; gjhu;j;jq;fs; czT
ew;fhg;gpd; NghJ gad;gLj;jg;gLfpd;wd. ,jw;fhd rpy cjhuzq;fs; fPNo
jug;gl;Ls;sd.
94
czT ew;fhg;Gr; nraw;ghl;by; gad;gLj;jg;gLk; rpy ,urhadg; czT ew;fhg;Gr; nraw;ghl;by; gad;gLj;jg;gLk; rpy ,urhadg; czT ew;fhg;Gr; nraw;ghl;by; gad;gLj;jg;gLk; rpy ,urhadg; czT ew;fhg;Gr; nraw;ghl;by; gad;gLj;jg;gLk; rpy ,urhadg; czT ew;fhg;Gr; nraw;ghl;by; gad;gLj;jg;gLk; rpy ,urhadg;
gjhu;jjq;fSk; mtw;why; Mw;wg;gLk; NtiyfSk; gjhu;jjq;fSk; mtw;why; Mw;wg;gLk; NtiyfSk; gjhu;jjq;fSk; mtw;why; Mw;wg;gLk; NtiyfSk; gjhu;jjq;fSk; mtw;why; Mw;wg;gLk; NtiyfSk; gjhu;jjq;fSk; mtw;why; Mw;wg;gLk; NtiyfSk;
mkpy ,ay;ig
toq;Fk;
nghUl;fs;
jpushjpUf;fr;
nra;git
vjph;
xl;rpNaw;wp
95
nraw;if
RitA+l;b
epw%l;bfs;
Fok;ghf;fpfs;
RitiaAk;
kzj;ijAk;
jUgit
tpLtpf;Fk;
fhuzpfs;
96
gOf;fr;
nra;git
fhg;Gg;
nghUl;fs;
Jz;bfs;
epiyg;gLj;jfs;
nrwpthf;fpfs;
97
E Rl;b Rl;b Rl;b Rl;b Rl;b -ew;fhg;G czTg; ngl;bapy; fhzg;gLk; nghUl;fspd; mikg;G E Rl;b
vd miof;fg;gLk;.
E Rl;bapd; %yk; cztpy; Nru;f;fg;l;Ls;s nraw;if epw%l;bfs;>
RitA+l;bfs; ghJfhg;Gg; nghUl;fs; Nghd;wtw;wpd; tpsf;fq;fs; fhzg;gLk;.
mjhtJ xt;nthU E Rl;bapd; %yKk; mjpYs;s ,urhadg; nghUs; Fwpf;fg;gLk;.
c-k; Mf E954 I vLj;Jf; nfhz;lhy; mjpypUe;J mt;Tztpy; nrfupd;
Nru;f;fg;gl;Ls;sJ vd;gij mwpe;J nfhs;syhk;. (rpy ehLfspy; ,tw;iwg; ghtpg;gJ
jil nra;ag;gl;Ls;sJ)
NkYk; rpy cjhuzq;fs;
E - 300 - mRf;Nfhgpf; mkpyk; (capu;r;rj;J C)
E - 102 - lhlhrpd; (epw%l;b)
czT ghJfhg;gpd; NghJ gad;gLj;jg;gLk; rpy ,uradg; gjhu;j;jq;fshy;
ghjpg;G ,y;yhtpbDk; NtW rpy ,urhadg; gjhu;j;jq;fshy; ghjpg;G Vw;gLfpd;wJ.
cjhuzkhf MSG nklh Nrhbak; F@l;lhNkw;W I vLj;Jf; nfhz;lhy; mJ
cztpd; RitiaAk;> kzj;ijAk; mjpfupf;fpd;wjhapDk; kdpjDf;F ghjpg;GilaJ.
tpQ;Qhdpfshy; ,J Gw;WNeha;f;; fhuzpahf ,dq;fhzg;gl;Ls;sJ. . ,e;j
MSG gjhu;j;jq;;;;fs; irdP]; czT tiffspYk;> jfuj;jpy; milf;fg;gl;l czT
tiffspYk;> Fsp&l;lg;gl;l czT tiffspYk; nghjpnra;ag;gl;l czT
tiffspYk; fhzg;gLfpd;wd. czT ew;fhg;gpw;fhf cyf czT jhgdj;jpd;
%yk; rpghupR nra;ag;gl;l nghUs;fis khj;jpuk; gad;gLj;JtNjhL mit
Fwpg;gpl;l msit tpl mjpfk; cztpy; Nru;;f;fg;gLtjdhy; Rfeyj;jpw;F
Vw;gLj;Jk; ghjpg;ghd nry;thf;iff; ,opthf;fpf; nfhs;syhk;.
%yEy; : 1 Foods - that are killing you(M.K.Gupta)
2. Food preservatin(SANDEE SAREEN)
Cl;lg;
nghUs;fs;
,Uk;G Ngd;w
98
ifj;njhopy;fspy; gad;gLj;jg;gLk; gy;NtW ,urhadg; nghUl;fs;ifj;njhopy;fspy; gad;gLj;jg;gLk; gy;NtW ,urhadg; nghUl;fs;ifj;njhopy;fspy; gad;gLj;jg;gLk; gy;NtW ,urhadg; nghUl;fs;ifj;njhopy;fspy; gad;gLj;jg;gLk; gy;NtW ,urhadg; nghUl;fs;ifj;njhopy;fspy; gad;gLj;jg;gLk; gy;NtW ,urhadg; nghUl;fs;kdpjdpd; md;whl Njitfis eptu;j;jp nra;J nfhs;tjw;F gad;gLj;jg;gLk;
gy;NtW cw;gj;jpfSf;fhf gy ,urhadg; nghUl;fs; gad;gLj;jg;gLfp;d;wd.
njhopEl;gtpaypd; Kd;Ndw;wj;Jld; ,urhadg;nghUl;fs; gy ifj;njhopy;fspy;
gad;gLj;jg;gLtNjhL gy;NtW Nehf;fq;fSf;fhfTk; mit gad;gLj;jg;gLfpd;wd.
njhopEl;g ,urhadf; ifj;njhopy;fspy; gy;NtW ,urhadg; nghUl;fs;
gy;gFjpahf;fk; nra;ag;gLfpd;wd. ,q;F gy;NtW ,urhadg; nghUl;fs; mbg;gil
myfhfg; gad;gLj;jg;gl;L gy nghUl;fs; cw;gj;jp nra;ag;gLfpd;wd. wg;gu; cw;gj;jp>
g pshj ;j pf ;F cw ;gj ;j p Nghd ;w ifj ;njho py ;fs py ; gy ;gFj pahf ;fk ;
gad;gLj;jg;gLfpd;wNjhL ,q;F mbg;gil myfhf fhgd; Nru ;itfs;
gad;gLj;jg;gLfpd;wd.
ehk; md;whlk; gad;gLj;Jk; rpy gy;gFjpahf;fg; nghUl;fSk; mtw;wpd;
gad;fSk; fPNo jug;gl;Ls;sd.
.,urhadf; ifj;njhopy;fSs; fz;zhbf; ifj;njhopy; Kf;fpakhd xd;whFk;.
.fz;zhbf; ifj;njhopypy; Muk;g cw;gj;jpg;; nghUshf rpypf;fh kzYk;> Rz;zhk;Gf;
fy;Yk; gad;gLj;jg;gLtNjhL Nkyjpfkhf Nrhbaq; fhgNdw;Wk;> cNyhf
xl;irl;Lf;fSk; (PbO,MgO) fhgDk; gad;gLj;jg;gLfpd;wd. fz;zhbapd;
ntg;gjJf;Fj; jhf;Fg; gpbf;Fk; jd;ikia mjpfupg;gjw;Fk;> epw%l;Ltjw;Fk; gy;NtW
,urhadg; nghUl;fs; gad;gLj;jg;gLfpd;wd.
c-k; rptg;G epwf; fz;zhb - fl;kpak; ry;igl;L / fpAg;gpuR xl;irl;L
gr;ir epwf; fz;zhb - FNuhkpak; xl;irl;L / nguRr; Nru;itfs;
jbj;j fz;zhb / ignuf;]; fz;zhb - NghNuh rpypf;Nfw;W
NkYk; gy;NtW NjitfSf;fhfg; gad;gLj;jg;gLk; fz;zhbfspd; cw;gj;jpapy;
xd;Wf;nfhd;W tpj;jpahrkhd Nfhl;ghLfs; gad;gLj;jg;gLk; re;ju;g;gq;fSk;
fhzg;gLfpd;wd.
c-k; tPL> fhupahyaq;fs;> tpahghu epiyaq;fs; Nghd;wtw;wpy; gad;gLj;jg;gLk;
ad;dy;fSf;;fhd fz;zhb cw;gj;jpapy; kpjj;jy; jj;Jtk;
gad;gLj;jg;gLfpd;wJ.
99
Nkw;Fwpg;gpl;l jhf;fj;jpy; cw;gj;jpahFk; Nrhbak; jpaNuw;W rtu;f;fhukhfg;
gad;gLj;jg;gLfpd;wJ. gy;NtW NjitfSf;fhfg; gad;gLj;jg;gLk; rtu;f;fhu
tiffSf;F Vw;g cgNahfpf;fg;gLk; nfhOg;Gg; nghUs; NtWgLfpwJ.
nghw;whrpak; Ijnuhl;irl;L gad;gLj;jg;gl;L cw;gj;jpahFk; rtu;f;fhuk; Nrhbak;
gad;gLj;jg;gl;L cw;gj;jpahFk; rtu;f;fhuj;ij tpl nkd;ikahdJ. vdNt
Foe;ijfSf;fhd rtu;f;fhuj; jahupg ;gpy; nghw;whrpak; Ijnuhl;irl;L
gad;gLj;jg;gLfpd;wJ.
NkYk; rtu;f;fhuj;jpd; juj;ij mjpfupg;gjw;Fk; ftu;r;rpfukhf;Ftjw;Fk; (epwk;>
kzk;) gy;NtW nghUl;fs; Nru;f;fg;gLfpd;wd.
↓
C17
H35
C O Na
O
C17
H35
C O Na
O
HO CH2
HO CH
HO CH2
+
Nrhbak;jpaNuw;W fpsprNuhy;
C17
H35
C O Na
O
C17
H35
C O CH2
O
C17
H35
C O CH
C17
H35
C O CH2
O
+ 3NaOH
jpaupd; Nrhbak; Ijnuhl;irl;L
kdpjdpd; md;whl mtrpaj; NjitfSs; Jg;guthf;fy; nraw;ghL Kf;fpa
,lj;ijg; ngWfpd;wJ. Jg;guthf;fy; nraw;ghl;by; vkJ %jhijau; gz;ilf;
fhyj;jpypUe;Nj gy;NtW nghUl;fisg; gad;gLj;jp te;Js;sdu;. rhk;gYld; ePu;
fye;j fyitapy; Muk;gpf;fg;gl;l rtu;f;fhuf; ifj;njhopy;> ,d;W tu;j;jfj; Jiwapy;
kpf cau; jukhd ,urhadf; ifj;njhopyhf khwpAs;sJ. rtu;f;fhuk; vdg;gLtJ
ePz;l rq;fpypfSld; $ba jhtu my;yJ tpyq;F nfhOg;Gf;fspd; cg;Gf;fshFk;.
rtu;f;fhuj; jahupg;gpy; cw;gj;jpg; nghUshf ,Ug;gJ ePskhd fhgd; rq;fpypfisf;
nfhz;l jhtu> tpyq;Ff; nfhOg;GfshFk;. nfhOg;G %yf;$W xd;Wld; Nrhbak;
/ nghw;whrpak; Ijnuhl;irl;L jhf;fKw;W eilngWk; rtu;f;fhu cw;gj;jpr; nrad;Kiw
rtu;f;fhukhf;fy;(Saponification) vd miof;fg;gLk;. ,e;j rtu;f;fhukhf;fj;; njhopw;ghl;bd;
NghJ rtu;;f;fhuj;Jld; gf;f tpisnghUshf fpsprNuhYk; cw;gj;jpahfpd;wJ. ,q;F
eilngWk; ,urhad khw;wj;jpw;fhd rkd;ghl;ilg; gpd;tUkhW fhl;lyhk;.
100
Jg;Guthf;fp (Detergent) jahupg;gpy; IjNuh fhgdpd; mkpy %ypfj;jpw;Fg;
gjpyhf ry;Ngw;W my;yJ ry;nghNdwE; %ypfk; Nru;;f;fg;gLfpd;wJ.
mkpy %ypfk;;
rtu;f;fhu %yf;$W (mkpy %ypfj;Jld; $baJ)
Jg;Guthf;fp %ypfk; ( %y ry;nghNdw;W %ypfk; nfhz;lJ )
Jg;Guthf;fp %ypfk; mw;ify; ngd;rPd; ry;nghNdw;W %ypfk; nfhz;lJ.
td;dPupy; rtu;f;fhuk; ghtpf;Fk; NghJ rtu;f;fhu Eiu Njhd;whJ gy;NtW
mad;fs; gbAk;. vdpDk; Jg;Guthf;fpfs; td;dPupYk; ed;F fiuAk;. ,J
Jg;Guthf;fpfs; gad;ghl;bd; rpwg;gk;rkhFk;. mj;Jld; Jg;guthf;fpfspy; fhzg;gLk;
gu;NghNul;gu;NghNul;gu;NghNul;gu;NghNul;gu;NghNul; %yk; fiwfs; mfw;wg;gLfpd;wd.
rtu;f;fhuj;jpdJk; Jg;Guthf;fpfspdJk; Ja;ikahf;Fk; nraw;ghl;ilg;
gpd;tUkhW tpsf;fyhk;. rtu;f;fhu %yf;$wpy; fhzg;gLk; ePskhd fhgd; nfhz;l
rq;fpyp (Kidtw;w) ePupy; fiuahj ePu; vjpur; rq;fpypahFk;. mUfpYs;s mad;
gFjp (KidTs;s) ePu; ehl;lk; nfhz;l gFjpahtNjhL ePupy; fiuaf;$bajhfTk;
,Uf;Fk;. mOf;Fj; Jzpf;iffs; vz;nza;AlDk; NtW nghUl;fSlDk; Nru;e;J
fhzg;gLtJld; vz;nza;Ald; $ba mOf;Ffs; ePUld; fyg;gjpy;iy.
rtu;f;fhuj;jpdhy; fOTk; NghJ mOf;Ffspy; fhzg;gLk; vz;nza;f; fiwiar;
Rw;wp rtu;f;fhu %yf;$Wfs; xd;W NrUk;. ,q;F rtu;f;fhu %yf;$wpd; ePupy;
fiuahj ePiu vjpu;f;Fk;; gFjp vz;nza; %yf;$w;iw Nehf;fpAk; ePupy; fiuAk; ePu;
ehl;lg; gFjp fiwiaj; js;spAk; fhzg;gLk;. ,t;thW Mf;fg;gLk; Nfhs tbthd
mikg;G “kpnry;yh” vd miof;fg;gLk;. ,k;kpnry;yhtpd;; ntspg;gFjpapy; cs;s
madhf;fkile;j gFjp ePUld; fyg;gJld; ePz;l fhgd; rq;fpypiaf; nfhz;l
gFjp vz;nza;f; fiwapy; fiuAk;. ,t;thW ryit nraw;ghl;bd; NghJ rtu;f;fhuk;
%yk; mOf;F mfw;wg;gLfpd;wJ.
rtu;f;fhuj;jpd; ,r;ryitr; nraw;ghl;by; “kpnry;yh” mikAk; Kiw gpd;tUk;
ry;nghndw;W %ypfk;
101
rtu;f;fhu
%yf;$W
vz;nza;f;
fiw
Kidthfhj gFjp
KidTw;;w gFjp
kpnry;yh
glk; 4.2
glj;jpd; %yk; fhl;lg;gLfpd;wJ.
ePu;> capupd; epyTiff;F kpfTk; mtrpakhd $whFk;. ePupd;wp capupdq;fspd;
capu;r; nraw;ghl;il njhlu;tJ rpukkhdJ. md;whl tho;f;ifapy; kdpjd;
gy;NtW NjitfSf;fhfTk; njhlu;e;J ePiug; gad;gLj;Jfpd;whd;. epyf; fPo; ePUk;
Gtpapd; Nky; fhzg;gLk; ePUk; gy;NtW Kiwfspdhy; khriltjhy; kdpjdhy;
gad;gLj;j Kbahj epiyf;F khwptpLfpd;wJ. vdNt kdpjdhy;; gad;gLj;jf;$ba
Kiwapy; ePiug; ngWtjw;F gy;NtW KiwfSk; ,urhadg; nghUl;fSk;
gad;gLj;jg;gLfpd;wd.
epyf;fPo; ePupy; fhzg;gLk; mad; Nru;itfs; Fwp;g;gpl;l msitj; jhz;Lk;
NghJ me;ePu; Fbg;gjw;F my;yJ NtW NjitfSf;Fg; gad;gLj;Jtjw;F cfe;jjy;y.
vdNt ePupy; fhzg;gLk; Nkw;Fwpg;gpl;l mad;fis mfw;Wtjw;F gy;NtW KiwfisAk;
,urhadg; nghUl;fisAk; gad;gLj;j NeupLk;..
epyf; fPo; ePupy; fhzg;gLk; mad;fis mfw;Wtjw;fhfg; nghJthf ,urhadg;
gjhu;j;jq;fisf; nfhz;L mt;tad;fs; tPo;gbthf;fg;gLk;
ePupy; fhzg;gLk; fy;rpak;> kfdPrpak; Nghd;w mad;fs; Nrhbak; fhgNdw;W
my;yJ mNkhdpah Nru;f;fg;gl;L mtw;wpd; fhgNdw;Wf;fshf tPo;gbthf;fg;gLk;.
mad; gupkhw;w KiwAk;> ePupy; fhzg;gLk; gy;NtW mad;fis mfw;Wtjw;F
gad;gLj;jg;gLfpd;wJ. ,q;F maid ,lkhw;Wtjw;F Nrhbak; rpNghiyw;W (Nrhbak;
mYkpNdw;W> rpypf;Nfw;W) ePu ;kakhd cNyhf xl;irl;Lf;fs; Nghd;wd
gad;gLj;jg;gLfpd;wd.
ePiur; Rj;jpfupf;Fk; NghJ ePupy; fhzg;gLk; Ez;zq;fpfSk; mopf;fg;gly;
Ntz;Lk;. ,jw;fhf nghJthf FNshupd; thATk; XNrhd; thATk; gad;gLj;jg;gLk;.
r pke ;Jf ; ifj;njhopypYk; ,urhadg; gjhu ;j ;jq ;fs; gutyhfg ;
gad;gLj;jg;gLfpd;wd. rpke;Jf; ifj;njhopypy; gpujhdkhf %d;W %yg; nghUl;fs;
gad;gLj;jg;gLfpd;wd. mit Rz;zhk;Gf;fy; (CaCO3)> fsp ( Al
2O
32SO
3 2H
2O)>
[pg;rk; (CaSO4 2H
2O) vd;gdthFk;. rpke;J cw;gj;jpapd; NghJ Rz;zhk;Gf; fy;Yk;
fspAk; Nru;j;J ngwg;gLk; fyitapy; ,Ufy;rpak; rpypNfw;W> %fy;rpak; rpypNfw;W>
%fy;rpak; mYkpNdw;W Nghd;wit fhzg;gLk;. ,f;fyit fpypd;fu; vd
miof;fg;gLfpd;wJ. ,f;fyitAld; [pg;rk; Nru;f;fg;gl;L Ez;zpa Jfs;fshf
102
miuj;J rpke;J ngwg;gLfpd;wJ. rpke;J cw;gj;jpapd; NghJ rpke;J ,yFtpy;
fl;bahtijj; jLg;gjw;F [pg;rk; Nru;f;fg;gLfpd;wJ.
mjpf ,urhadg; gjhu;jq;fs; gad;gLj;jg;gLk; njhopyhf ,d;W tptrhaj;
Jiw khwpAs;sJ. tptrhaj;; ifj;njhopypy; gy;NtW Fwpf;Nfhs;fis mbg;gilahff;
nfhz;L ,urhadg; gjhu;j;jq;fs; gad;gLj;jg;gLtNjhL mt;tpurhadg; gjhu;j;jq;fs;
tptrha ,urhadg; gjhu;j;jq;fs; vd miof;fg;gLfpd;wd. ,jw;fhfg; gpd;tUk;
cjhuzq;fisf; $wyhk;.
grisahfg; gad;gLk; ,urhadg; gjhu;j;jq;fs;
c-k; A+upah CO(NH2)
2
Rgu; nghRNgw;W 3Ca(H3PO
4)7CaSO
42HX
,q;F X = Cl, F, OH)
% nghRNgw;W 3Ca(HPO4)
2
G+r;rpf; nfhy;ypahfg; gad;gLk; ,urhadg; gjhu;j;jk;
c-k; D.D.T.
fis nfhy;ypahfg; gad;gLj;jg;gLk; ,urhadg; gjhu;j;jk;
c-k; 2.4 DPA
gq;fRf; nfhy;ypahfg; gad;gLk; ,urhadg; gjhu;j;;jk;
c-k; fhNghdpf; nghRNgw;W> nkyjpNahd;> fhgNkw;W.
103
.
5. gjhuj;;jq;fspd; gz;Gfs;5. gjhuj;;jq;fspd; gz;Gfs;5. gjhuj;;jq;fspd; gz;Gfs;5. gjhuj;;jq;fspd; gz;Gfs;5. gjhuj;;jq;fspd; gz;Gfs; kdpj ehfupfj;jpd; Muk;gj;jpy; kdpjd; maw; #oypUe;J ngw;w kuq;fs;> ghiwfs;
kw;Wk; tpyq;Ffspd; vd;Gfs; Mfpatw;iw gytifahd nraw;ghLfSf;fhfg;
gad;gLj;jpdhd;. czitj; jahupf;fNth MAjq;fshfNth cilfisj; jahupf;fNth
,tw;iwg; gad;gLj;jpdhd;. fhyk; nry;yr; nry;y Kjypy; jq;fk;> nts;sp> nrg;G
Nghd;w cNyhfq;fSk; mjidj;;njhlu;e;J ,Uk;G> ntz;fyk; Nghd;w cNyhfq;fSk;
fz;L gpbf;fg;gl;ld. 20Mk; Ew;whz;by; gPq;fhd; fsp> nfhq;fpwPw;W> gpshj;jpf;F
Nghd;w gy jputpaq;fisg; gy;NtW NjitfSf;Fk; gad;gLj;j Muk;gpj;jhd;.
gy;NtW cNyhfq;fs; kz;zpy; ,aw;ifg; gbTfshff; fhzg;gLfpd;wd.
,d;W ngUk;ghyhd gjhu;j;jq;fspd; gz;Gfis etPd njhopEl;gq;fisg; gad;gLj;jp
khw;wpaikj;J ntt;NtW NjitfSf;Fg;; gad;gLj;Jfpd;wdu;. gjhu;j;jq;fis ,aw;ifg;
gjhu;j;jq;fs;> nraw;ifg; gjhu;j;jq;fs; vd ,U tifahfg; gpupf;fyhk;. my;yJ
mtw;iw cNyhfq;fs;> my;Nyhfq;fs; vd ,uz;L tifahfg; gpupf;fyhk;..
cNyhfnkhd;wpd; rpy gz;Gfis Nkk;gLj;Jtjw;fhf mtw;iw NtW
cNyhfq;fSld; fyg;gjd; %yk; fyg;GNyhfq;fisj; jahupg;gu;.
cNyhf ,ay;Gfis ngsjPf> ,urhad> nghwpKiw ,ay;Gfs; vd tifg;
gLj;Jtu;. jputpaq;fisj; Nju;e;njLf;Fk; NghJ mtw;iwg; ngw;Wf;nfhs;sj;jf;f
jd;ik njhlu;ghf ftdk; nrYj;jg;gLk;. ntl;Lk; fUtpfisj; jahupf;f cUf;F
gad;gLk;. Mguzq;fisj; jahupf;fj; jq;fj;ijg; gad;gLj;Jtu;. nkd; cUf;if
#lhf;fhJ Fspu;epiyapNyNa ntl;lNth> tisf;fNth> tbtikf;fNth KbAk;.
jputpaq;fisj; Nju;e;njLf;Fk; NghJ ftdj;jpw; nfhs;Sk; ngsjPf ,ay;ghf
epwk;> vil> NkhJk; NghJ vOk; xyp> nehUq;fj; jf;f ,ay;G Mfpatw;;iwf;
Fwpg;gplyhk;.
Mf;fr; nraw;ghl;bd; NghJ rpy jputpaq;fspd; gz;Gfis khw;wpaikf;f
NeupLk;. cUf;ifj; jl;ilahf;fy; my;yJ tbtikj;jy; Nghd;w Ntiyfis
cau; ntg;gepiyapNyNa nra;a KbAk;. mtw;iw ntg;gkhf;fp Njha;j;jjd;
gpd;du; Njitahd Ntiyfisr; nra;J nfhs;tu;.
jputpaq;fisj; Nju;e;njLf;Fk; NghJ tpiy> juk;> neL ehisa ghtid>
Ntiy nra;Ak; trjp Mfpad njhlu;ghff; ftdk; nrYj;Jtu;.
Ntiyf;Fg; nghUj;jkhd tpiwg;ig mjpfupg;gjw;fhf ntt;NtW tbtq;fspy;
jputpaq;fis tbtikg;gu;. re;ij Ma;tpd; %yk; mt;thwhd jputpaq;fis
,dq;fhzyhk;.
nghs;shd rpy nrt;tf> tl;l tbt cUg;gbfs; fhzg;gfpd;wd. H tbtk; nghpa
Rikfis jhq;Ftjhy; jz;lthsq;fSf;Fk; gad;gLj;JtH.
nrg;G + ehfk; gpj;jis
nrg;G + upd; ntz;fyk;
T tbt
jl;il tbt
tl;l tbt
H tbt
nrt;tf tbt
L tbt
U tbt
104
F F
F F
typiktypiktypiktypiktypik
nghUsa;fspd; kPJ gy;NtW tifahd tpirfs; nraw;gLfpd;wd. tpirnahd;W
nrYj;jg;gLk; NghJ xU nghUs; epiyahd tpfhuj;jpw;F ciljYf;F cl;glhJ
jhq;Fkhapd; mjid typik vd miog;gu;. nghUspd; kPJ tpir nrYj;jg;gLk;
Kiwf;Nfw;g typikia tif Fwpg;gu;.
tpiriag; gpuNahfpj;J nghUis ,uz;L jpirf;Fk; ,Of;Fk; NghJ nghUs;
epiyahd tpfhuj;jpw;Nfh ciljYf;Nfh MshfhjpUg;gpd; mt;thw;wiy ,Oit
typik vd;gu;
tpir nghUspd; kPJ mr;rpDlhf ,U jpirf;Fk; mOj;jg;gLkhapd;
ciljYf;Nfh tbtopjYf;Nfh cl;glhjpUg;gpd; mJ mOj;j jifg;G vdg;gLk;.
ve;j xU jpirapDlhfr; nrYj;jg;gLk; tpir fhuzkhfTk; nghUs;
tisaNth tbtopjYf;Nfh cl;glkhl;lhjhapd; mjid neUf;f typik vd
miog;gu;. gpshj;jpf; Nghj;jy;fshy; Fwpj;j gzpia Nkk;gLj;j tbtikf;fg;gl;Lk;>
cl;Fopthf;fg;gl;Lk; ,Uf;Fk;.
Nkw;Fwpj;jthW tpiriar; nrYj;Jk; NghJ fz;zhy; fhz Kbahj kpfr;
rpwpjstpy; jifg;G vw;gLk;.
Nkw;gb Mw;wiy nefpo; jd;ik vd;gu;. ,OjF vy;iyapypUe;J nefpo;
epiyikf;F khWk; NghJ tpiria mfw;Wk; NghJ kPz;Lk; Kd;ida rPuhd
epiyikf;F tUk; cr;r vy;iy ,OjF vy;iy vdg;ngau; ngWk;. ,t;nty;iy
jputpaj;jpw;F Vw;g NtWgLk;. NkYk; nghUis ntg;gg;gLj;Jk; NghJ Nkw;gb
nefpOk; vy;iy mjpfupf;Fk;.
NkYk; xU nghUspd; cilahj xU jpirapDlhf mjid ,Of;Fk;
Mw;wy; ePbf;Fk; jd;ik vdg;gLk;. ,Og;gjd; %yk; mjd; fl;likg;G xU
jpirapy; xOq;fikAk;. NkYk; nghUspy; Fiwthd ,Oit jifg;G cs;s
NghJ khj;jpuNk mjid ePbf;f KbAk;. NkYk; nghUis ntg;gkhf;fp mjd;
ePSk; jifg;igf; Fiwj;Jf; nfhs;syhk;. ePOk; jd;ikAs;s nghUl;fis khj;jpuNk
fk;gpfshf tbtikf;f KbAk;.
nghUis cilahj epiyapy; ve;jnthU jpirf;Fk; ePl;Lk; Mw;wy; thl;lw;wfT
vdg;gLk;;;;;;;;. ,q;F nghUspd; fl;likg;ig fpilj; jpirapDlhfTk; epiyf;Fj;Jj;
jpirapDlhfTk; ePl;l KbAk;. MfNt ,j;jifa nghUl;fspy; ePl;Lk; ,ay;G
cz;L.
nghUs; xd;wpd; kPJ tpiriar; nrYj;Jtjdhy; Vw;gLk; jw;fhypf tbtopT
my;yJ ve;jnthU tbtoptpw;Fk; MshfhJ cile;J NghFk; Mw;wy; nehUq;fw;jfT
vdg;gLk;. ,t;thwhd nghUl;fSf;F nefpopik ,y;iy my;yJ kpff;Fiwthf
,Uf;Fk;. nehUq;fw;wfT $ba nghUl;fspy; Vw;gLk; gOjiljy; kpf tpiutpy;
guTk;.
105
nghUs; xd;iw cilg;gjw;F my;yJ Kwpg;gjw;F Njitahd rf;jpia
typik(toughness) vd miog;gu;. ePbf;ff; $ba nghUl;fspy; ,g;gz;G mjpfkhfTk;;.
nehUf;fw;wfT cs;s nghUl;fspy; ,g;gz;G FiwthfTk; cs;sJ.
Nja;it my;yJ fPwiyj; jhq;Fk; Mw;wy; td;ik(Hardness) vdg;gLk;. xU
nghUspd; td;ikia msg;gjw;F mjd;kPJ ntl;Lk; cspapdhy; fPWtu; my;yJ
nky;ypa muj;jpdhy; muhTtu;.. rpy gjhu;j;jq;fSf;F fhgd; Nru;f;fg;gLk; NghJ
mjd; td;ik mjpfupf;Fk;.
ngUk;ghyhd nghUl;fspy; xd;Wf;F Nkw;gl;l gz;Gfs; $ba my;yJ Fiwe;j
mstpy; cz;L. Ntiyf;;fhfg; nghUl;fisj; Nju;e;njLf;Fk; NghJ nghUl;fspd;;
gz;Gfis Ntiyf;F Vw;wthW Nju;e;njLj;jy; gw;wp ftdk; nrYj;jy; mtrpak;.
nghUs; xd;wpDlhf ntg;gk; ghAk; Mw;wy; ntg;gf; flj;jhW vdg;gLk;. cau;
ntg;gf; flj;jhWld; $ba nghUl;fs; rpy NjitfSf;F gaDs;sjhapDk; NtW
rpy nghUl;fSf;F gadw;wJ.
,jd;gb epu;khzpg;Gf;fhf nghUl;fisj; Nju;e;njLf;Fk; NghJ Fwpj;j Ntiyf;F
Vw;w nghwpKiw ,ay;GfSld; $ba nghUl;fisj; Nju;e;njLj;jy; Kf;fpakhdJ.
ntg;gg; gpuNahfk;ntg;gg; gpuNahfk;ntg;gg; gpuNahfk;ntg;gg; gpuNahfk;ntg;gg; gpuNahfk;fl;Lg;ghlhd Kiwapy; cNyhfq;fis ntg;gkhf;Ftjd; %yKk;
Fspur;nra;tjd; %yKk; mtw;wpd; gz;Gfis khw;wpaikj;jy; ntg;gg; gpuNahfk;
vdg;gLk;.
nfhy;yd; gl;liwfspYs;s nfhy;yd; ciyfspy; cNyhfq;fis ntg;gkhf;fp
jputnkhd;wpDs; mkpo;j;jp Fspur;nra;tjd; %yk; ghuk;gupa Kiwapyhd
ntg;gg;gpuNahfk; nra;ag;gl;lJ. vdpDk; ,d;W etPd njhopDl;gq;fSf;F Vw;g
kpfr; rupahd ntg;gepiyf;F ntg;gg;gLj;jf;$ba ntg;gkhdpfs; nghUj;jg;gl;l
kpf EZf;fkhfTk; RakhfTk; fl;Lg;gLj;jf;$ba ciyfSk; Fspu;j;Jk; KiwfSk;
gad;gLj;jg;gLfpd;wd.
ngUk;ghYk; ntg;gg; gpuNahfj;jpw;nfd cUf;F cNyhfNk gad;gLj;jg;gLk;.
,jpy; fhgdpd; tpfpjk; 0.3% ,Yk; $ba ngWkhdj;ijf; nfhz;ljhf ,Uj;jy;
Ntz;Lk;.
cNyhfq;fspd; fl;likg;igj; NjitahdthW khw;wpaikj;jYf;fhfg;
gad;gLj;Jk; ntg;gg; gpuNahf KiwfSs; rpy gpd;tUkhW
1) nghJthf;fy; (Normalizing)
2) fha;r;rpf;Fspuitj;jy;.(Annealing)
3) td;ikahf;fy; (Hardening)
4) Njha;j;jy; (Tempering)
5) ciw td;ikahf;fy;(Casee- hardening)
nghJthf;fy;nghJthf;fy;nghJthf;fy;nghJthf;fy;nghJthf;fy;
cNyhfq;fisf;nfhz;L ghtidg;nghUs;fis cw;gj;jp nra;Ak; NghJ
gy tifahd njhopDl;g nraw;ghLfSf;F cl;gLj;jg;gLk;. ( ntl;Ljy;>
jl;ilahf;Fjy;) Mifahy; mt;thwhd ,lq;fspy; NtWgl;l rf;jpfSk;; ,ay;GfSk;
Vw;gLk;. ,jdhy; ghtidg;nghUs;fis cgNahfpf;Fk; NghJ gytifahd gytPdq;fs;
Vw;gLk;. ,e;epiyiaj; jtpu;f;f cNyhfj;jpd; vy;yh ,lq;fisAk; xNu rf;jp
106
kl;lj;jpw;Ff;
nfhz;L tuNtz;Lk;. me;epiyia Vw;gLj;j nra;ag;gLk; ntg;gg; gpuNahf Kiw
nghJthf;fy; vdg;gLk;.
cUf;F tiffisAk; ,Uk;igAk; nghJthf;f cNyhfj;jpd; vy;yhg;
gFjpfisAk; xNu rPuhf ntg;gg;gLj;jy; Ntz;Lk;. MfNt jho; ntg;gepiyapypUe;J
cau; ntg;g epiy tiu gbg;gbahf ntg;gkhf;fp tspapy; Fspur; nra;a Ntz;Lk;.
cNyhfk;cNyhfk;cNyhfk;cNyhfk;cNyhfk; ntg;gg;gLj;j ntg;gg;gLj;j ntg;gg;gLj;j ntg;gg;gLj;j ntg;gg;gLj;j Fspur; nra;Ak; KiwFspur; nra;Ak; KiwFspur; nra;Ak; KiwFspur; nra;Ak; KiwFspur; nra;Ak; Kiw
Ntz;ba kl;lk;Ntz;ba kl;lk;Ntz;ba kl;lk;Ntz;ba kl;lk;Ntz;ba kl;lk;
,Uk;G$cUf;F nrQ;#lhf tspapy;
<ak;$hpd; #lhd ePhpy; mkpo;j;jp tspapy;
nrk;G$gpj;jis nrQ;#lhf gbg;gbahfePhpy;
; mkpo;j;jy;
fha;r;rp Fspuitj;jy;fha;r;rp Fspuitj;jy;fha;r;rp Fspuitj;jy;fha;r;rp Fspuitj;jy;fha;r;rp Fspuitj;jy;
cUf;F Nghd;w td;ikahd cNyhfq;fis ntl;Ljy;> tisj;jy;> muhTjy;
Nghd;w Ntiyfisr; nra;a> vspjhFk; tifapy; nkd;ikahf;Fjy; Ntz;Lk;.
cUf;F cNyhfj;Jz;Lfis nghJthf;FkhW #lhf;fp kpf nkJthf Fspur;nra;Ak;
NghJ kpUJj; jd;ik ngwg;gLk;. Fspur; nra;a vLf;Fk; Neuk; mjpfupg;gjw;Nfw;g
cNyhfk; ed;F kpUJthFk;.
td;ikahf;fy;td;ikahf;fy;td;ikahf;fy;td;ikahf;fy;td;ikahf;fy;
cNyhfnkhd;wpdhy; ngwf;$ba cau;e;j msthd td;ikiag; ngw;Wf;
nfhLf;f td;ikahf;fy; Kiw cjTk;. fhgd;Nru; ,Uk;igAk; fhgd;Nru; cUf;ifAk;
td;ikahf;f KbAk;. ,q;F mlq;Fk; fhgdpd; rjtPjk; 0.35 ,Yk; mjpfupf;f
Ntz;Lk;. fhgd; rjtPjk; mjpfupf;Fk; NghJ td;ikAk; mjpfupf;Fk;. cUf;F
cNyhfj;ij td;ikahf;f gbg;gbahf Fiwe;j ntg;gepiyapypUe;J cau; ntg;g
epiy tiur; nrQ;#lhf;fpa gpd;du; rLjpahff; Fspur; nra;a Ntz;Lk.; td;ikahf;Fk;
cNyhfj;ijf; Fspur; nra;a gy;NtW jputq;fs; gad;gLj;jg;gLk;.
NtW tplaq;fsNtW tplaq;fsNtW tplaq;fsNtW tplaq;fsNtW tplaq;fs;
Ja ePH nghJ Ntiyf;fhffg;
gad;gLj;Jk;
fUtpfs;/ cgfuzq;fs;
cg;G fye;j ePH fUtpfs;/cUf;F Ja ePhpy; FspHj;JtjpYk;
cgfuzq;fs; ghHf;f mjpfkhf
td;ikahf;Fk;
Njq;fha; vz;nza;/ tpNrl Njitf;fh gad; cr;r msT
gUj;jp;f; nfhl;il gLj;Jk; cNyhfq;fSf;fhdJ td;ik ngwg;gLk;
vz;;nza; ( tpy; tiffs;)
;
tz;ikahf;fg;tz;ikahf;fg;tz;ikahf;fg;tz;ikahf;fg;tz;ikahf;fg;
gad;gLj;jg;gLk;gad;gLj;jg;gLk;gad;gLj;jg;gLk;gad;gLj;jg;gLk;gad;gLj;jg;gLk;
jputk;jputk;jputk;jputk;jputk;
gad;gLj;Jk;gad;gLj;Jk;gad;gLj;Jk;gad;gLj;Jk;gad;gLj;Jk;
re;jHg;gk;re;jHg;gk;re;jHg;gk;re;jHg;gk;re;jHg;gk;
107
Njha;j; ;jy;Njha;j; ;jy;Njha;j; ;jy;Njha;j; ;jy;Njha;j; ;jy;
cUf;F cNyhfj;ij td;ikahf;fpaTld; nehUq;Fk; jd;ik mjpfupf;Fk;.
MfNt mbf;fg;gLk; NghJk;> KWf;fg;gLk; NghJk; cile;J nehUq;ff; $Lk;.
,t;thW td;ikahf;fg;gl;l cNyhfq;fspy; mlq;Fk; nehUf;fw;jfit
Ntiyf;Nfw;wthW cNyhfj;jpy; vQ;r itj;J cNyhfj;ij rPuikj;jy; Njha;;j;jy;
vdg;gLk;.
,jd; NghJ td;ikahf;Ftjw;fhf ntg;gg;gLj;jpa ntg;gepiyapYk;
Fiwe;jntg;gepiyf;F ntg;gg; gLj;jp rLjpahff; Fspu;j;j Ntz;Lk;. fUtpapdhy;
nra;a vjpu;ghu;f;fg;gLk; Ntiyf;Nfw;g td;ikahf;Ftjw;Fj; Njitahd ntg;gepiyAk;
NtWgLk;. fLikahfj; jhf;fg;gLk; cgfuzq;fspd; td;ik Fiwf;fg;gl Ntz;Lk;.
NtW cgfuzq;fspd; nehUq;fw;wfT mjpfk; Fiwf;fg;glkhl;lhJ.
fUtpfUtpfUtpfUtpfUtp ntg;gkhf;f Ntz;ba ntg;gepiyntg;gkhf;f Ntz;ba ntg;gepiyntg;gkhf;f Ntz;ba ntg;gepiyntg;gkhf;f Ntz;ba ntg;gepiyntg;gkhf;f Ntz;ba ntg;gepiy
ntl;Lsp 280 0C
tiuA+rp 240 0C
etPd njhopw;rhiyfspy; Nkw;gb ntg;gepiy ntg;gkhdpfspdhy; msf;fg;gLk.;
rhjhuz epiyikfspd; NghJ me;je;j cNyhfj;jpd; epwj;jpw;Nfw;g Cfpf;fg;gLk;.
,tw;iwf; Fspu;j;j Fspuhd tspj;jhiu gad;gLj;jg;gLk;.
rpy fUtpfs; cgfuzq;fspd; td;ikahf;fYk; nghJthf;fYk; xNu jlitapy;
nra;ag;gLk;. c-k; ntl;Lsp
ciw td;ikahf;fy;ciw td;ikahf;fy;ciw td;ikahf;fy;ciw td;ikahf;fy;ciw td;ikahf;fy;
Xu; cw;gj;jpapd; Nkw;gug;ig khj;jpuk; td;ikahf;fy; ciw td;ikahf;fy;
vdg;gLk;. ,q;F cNyhfj;jpd; Nkw;gug;G khj;jpuk; td;ikahf;fg;gLk;. cl;gFjpfs;
Kd;du; Nghd;w khwhJ Ngzg;gLk;. MfNt mjpu;T> KWf;fy;fs;>mbfs;> Nghd;wtw;iwj;
jhq;ff;$bajhftpUf;Fk;.
ngUk;ghYk; nkd; cUf;fpdhy; jahupf;fg;gl;l fUtpfspd; ntspNkw;gug;ig
td;ikahf;fp Nja;itj; jhq;ff;$bathW jahupg;gjd; %yk; cw;gj;jp nryT
,sq;fgpyk; 2300C nkd; cNyhff; filr;ry; Crp> rtuf;fj;jp> tiuA+rp
fLq;fgpyk; 2400C Rj;jpay; Kfg;G> nkd;DUf;if fila vLf;Fk;
filry; Crp
fgpyk; 2500C fj;jhpf; Nfhy;> kuj;ij filAk; fUtpfs;>
td; cNyhf ntl;Lsp
fgpyk; 2600C mKf;fp> ku Ntiyf;fhd fUtpfs;
fye;j
Cjh
Cjh 2700C Nfhlhhp myF
fLk; Cjh 2800C ntl;Lsp> ika mKf;fp
ePyk; 3000C tpy; tif> if ths;> jpUfhzp KLf;fp>
epwk;epwk;epwk;epwk;epwk; ntg;gepiy ntg;gepiy ntg;gepiy ntg;gepiy ntg;gepiy gjdplg;gLk; fUtpgjdplg;gLk; fUtpgjdplg;gLk; fUtpgjdplg;gLk; fUtpgjdplg;gLk; fUtp
108
FiwtilAk;. tpN~lkhf fLikahf KWf;fy;fSf;Fk; mjpu;TfSf;Fk; MshFk;
fpau; rpy;Yfis nkd; cUf;fpdhy; jahupj;J ntspg;Gwk; td;ikahf;fg;gl;L
cuha;Tf;F <L nfhLf;ff;$bathW jahupf;fg;gLk;.
Fiwe;j fhgd; rjtPjj;ijf; nfhz;l nkd; cUf;F> thu;g;gpUk;G Nghd;w
nguR cNyhfj;jpdhyhd nghUl;fNs ntspg;Gwj;ij td;ikahf;f gad;gLj;jg;gLk;.
ntspg;Gw td;ikahf;fy; ,uz;L Kiwfspy; nra;ag;gLk;. ,t;tpuz;L
Kiwfspd; NghJk; nkd; cUf;F cNyhfj;jpd; Nkw;gug;gpd; Clhf fhgid
mfj;JwpQ;rr;nra;J mg;gpuNjrj;ij mjpf fhgDld; $ba cUf;fhf khw;wp ,Wjpapy;
Fwpj;j ntg;gepiyf;F jpBnud ntg;gg;gLj;jp ePupy; Fspu;j;jg;gLk;.
ntg;gg ; gpuNahfj;jpd; NghJ cNyhfq;fs; cau;ntg;gepiyf;F
cs;;shf;fg;gLkhifahy; Kw;ghJfhg;G eltbf;iffs; vLf;fg;gl Ntz;Lk;. vg;NghJk;
ntg;gkhd cw;gj;jpfisg; gpbg;gjw;fhf nghUj;jkhd gl;lilf;; FwLfs;
gad;gLj;jg;gl Ntz;Lk;. ifAiw> fhYiw Nghd;wtw;;iw Njitf;Nfw;wthW
cgNahfpj;jy; Ntz;Lk;. mt;thNw jP mizf;Fk; fUtpfs; jahu; epiyapy;
Ngzg;gl Ntz;Lk;.
,jw;F Nkyjpfkhf etPdj; njhopDl;gj;ijg; gad;gLj;jp fyg;G
cNyhfq;fs; jahupf;fg;gl;Ls;sd. ,tw;iw ntg;gg;gpuNahfj;jpw;F cl;gLj;jp
Njitahd epiyikf;F khw;wg;gLk;. ,q;F ntg;gkhf;Fk; NghNjh Fspu;j;Jk; NghNjh
rpwpjsT khw;wNkJk; Vw;gLkhapd; vjpu ;ghu;f;Fk; ngWNgw;iwg; ngWjy;
rpukkhdjhftpUf;Fk;. MfNt etPd njhopw;rhiyfspy; ntg;gkhdpfSld; $ba
ciyfs; gad;gLj;jg;gLk;.
ciw td;ikahf;Fk; xU Kiwciw td;ikahf;Fk; xU Kiwciw td;ikahf;Fk; xU Kiwciw td;ikahf;Fk; xU Kiwciw td;ikahf;Fk; xU Kiw
thu;g;gpUk;Gg; ngl;bnahd;wpDs; tpyq;F vd;G> fup Nghd;w fhgd;
$ba nghUl;fisAk; Nkw;gb nghUisAk; gilahf mLf;fp itj;J gpd;du;
ngl;bapd; %bia %b tsp ntspNawhjthW fspkz;G+r;rpdhy; Kj;jpiuapl;L
gpd;du; ,g;ngl;b #isnahd;wpDs; ntg;gg;gLj;jg;gLk;. Nkw;gb ntg;gepiyapy; 24-
48 kzpNeuk; itf;fg;gLk;. ,q;F mjpf fhgDila nghUl;fspy; cs;s fhgd;
cNyhfj;jpdhy; cwpQ;rg;gl;L Nkw;gug;G cUf;fhf khWk;.
cgfuzj;ij Fwpj;j ntg;gepiyapy; itj;Jg; NgZk; Neuk;
mjpfupf;Fkhapd; mjw;Nfw;g NkYiwapdhy; cwpQ;rg;gLk; fhgdpd; msTk; mjpfkhFk;.
,Wjpahf ngl;bia jpwe;J cgfuzj;ij ePupDs; mkpo;j;jp ntspg;Gwk;
td;ikahf;fg;gLk;.
,uz;lhk; Kiw,uz;lhk; Kiw,uz;lhk; Kiw,uz;lhk; Kiw,uz;lhk; Kiw
,q;F cgfuzj;ij nrq;#lhFk; tiu ntg;gNkw;wp jl;nlhd;wpy;
gug;gg;gl;l nghw;whrpak; ngNuh raidw;W (K4Fe(CN)
4) Jhspd; kPJ Gul;lg;gLk;.
cNyhfj;ij kPz;Lk; kPz;Lk; ntg;gkhf;fp Jhspd; kPJ kPz;Lk; kPz;Lk; Gul;Ltjd;
%yk; fhgd; gFjpfs;; nghUsp;dhy; cwpQ;rr; nra;ag;gLk;. ,Wjpahf nrQ;#lhFkhW
cNyhfj;ij ntg;gkhf;fp ePupy; Fspu;j;jp Gw ciw td;ikahf;fg;gLk;. ,k;KiwahdJ
mstpy; ngupa nghUl;fSf;Nf mjpfk; nghUj;jkhdJ.
,jw;F Nkyhf tpN~l cUf;F tiffspdhy; jahupf;fg;gl;l fUtpfspd;
ntspAiwia td;ikahf;f 600oC ntg;gepiyapy; mNkhdpah thATld;
njhLifAwr;nra;ag;gLk;. ,t;thW 24-48 kzp Neuk; tiu itj;jpUg;gjd; %yk;
ntspAiw td;ikailAk;. ,jid( N2 )iejurd; Kiw vd;Wk; miog;gu;.
cUf;F cNyhfj;jhy; nra;J Kbf;fg;gl;l gw;rpy;Yfis jPr;Rthiyapdhy;
jpBnud ntg;gkhf;fp ePu;j; jhiuapd; %yk; Fspu;j;Jtjd; %yk; gw;fsp;d; ntspAiw
td;ikahf;fg;gLk;.
109
6. rf;jpiag; gaDWjpAs;sthW gad;gLj;jy;6. rf;jpiag; gaDWjpAs;sthW gad;gLj;jy;6. rf;jpiag; gaDWjpAs;sthW gad;gLj;jy;6. rf;jpiag; gaDWjpAs;sthW gad;gLj;jy;6. rf;jpiag; gaDWjpAs;sthW gad;gLj;jy;
♦ Mjpfhyk; njhl;L vkJ ehl;by; czT cw;gj;jp> tPLfs; > cil> kUe;J
Nghd;w mbg;gilj; Njitfs; ahTk; kdpj> tpyq;Fr; rf;jpia mbg;gilahff;
nfhz;Nl ngwg;gl;ldntd;gJ ,ufrpakd;W. vdpDk; gbg;gbahf vkJ
ehL Nky;ehl;L ifj;njhopy; Gul;rpAld; njhlu;ghd nghwpfspd;
gad;ghl;by; Mu;tk; fhl;bajhy; kdpj> tpyq;F rf;jpiag; gad;gLj;Jjy;
tpiuthff; Fiwe;Jtpl;lJ. vt;thwhapDk; ,d;Wk; kdpj> tpyq;Fr; rf;jp
rpwpjstpyhapDk;; gaDs;sthW gad;gLj;jg;gLjy; kfpo;r;rpf;F chpajhFk.;
♦ kdpj rf;jpiag; gaDs;sthWk; tpidj; jpwDlDk; gad;gLj;Jtjpy;
nry;thf;F nrYj;Jk; fhuzpfspy; kdpjdpd; mbg;gilj; Njitfis
Nkk;gLj;jy; kpfTk; Kf;fpa fhuzpahFk;. ,q;F gpujhdkhd Kf;fpa
Njitahf miktJ jkJ cly; rf;jpia rpwe;j Kiwapy; gad;gLj;J
tjw;fhd rKjha kdg;ghq;ifj; Njhw;Wtpg;gjhFk;. ,jw;fhf jkJ cly;
ciog;igg; gad;gLj;jp Ntiy nra;gtu;fspd; rk;gsk;> r%f epiy>
nfsutk; vd;gtw;iw cau; kl;lj;jpw;Ff; nfhz;Ltu eltbf;if
vLf;fg;gly; Ntz;Lk;. cly; ciog;gpd; %yk; Ntiy nra;gtu;fSf;fhf
nkhop> fzpjk;> tpQ;Qhdk;> Rfhjhuk; Nghd;w ghlq;fs; gw;wpa mwpT
toq;fg;gly; Kf;fpakhdjhFk;. vspa nghwpfs; gw;wpAk; rf;jpr; rpf;fdk;>
tPz;tpuaj;ijj; jLj;jy;> rpwe;j Kiwapy; rf;jpiag; gpuNahfpj;jy; Nghd;w
tw;wpd; %yk; $ba ,yhgk; ngwf;$ba Kiwfs; gw;wpa mwpt+l;ly;
; Kf;fpakhdjhFk; .njhopypw;Fupa tpN~l cLg;Gj; njhFjpAk; mtuJ
ciog;gpd; ngUikf;Ff; fhuzkhf mikjy; Ntz;Lk;. tpN~lkhf rpwe;j
Kfhikj;Jtj;jpd; %yk; kdpj rf;jp tPz;tpuakhfhky; Ntiyfs;
jpl;lkplg;gly; Kf;fpa ,lj;ijg;ngw Ntz;Lk;. ,q;F jdpg;gl;l ghJfhg;G>
Nghf;Ftuj;jpw;fhd Neu ,ilntspiaf; Fiwj;Jf;nfhs;sy;> kdpj rf;jp
tpuaj;jpw;fhd ciog;ig vg;NghJk; Neu; kjpg;gplYf;F cl;gLj;jy; Nghd;w
fhuzpfs; ftdj;jpy; nfhs;sg;gly; Ntz;Lk;. NkYk; rpwe;jKfhikj;Jtj;
jpd; %yk; kdpj rf;jpia Cf;Ftpf;ff;$ba gy;NtW Cf;Ftpg;Gf;fis
rKjhag;gLj;jy; Ntz;Lk;. ,q;F Ntiy kjpg;gPLk; Kf;fpa ,lj;ijg;
ngWfpwJ. epWtdk; xd;wpyhapd; ciog;gtiu gq;fhspahf Vw;Wf;
nfhs;sf; $bajhf ,Ug;gpd; mJ ey;ynjhU Cf;Ftpg;ghf mikAk;.
♦ tpyq;Fr; rf;jpia kdpjj; Njitf;fhfg; gad;gLj;jy; Mjpfhyk; njhl;Nl
eilngWk; xd;whFk;. ,jw;fhf ,yq;ifapy; gutyhf fhis khL>
vUik> ahid> fOij> Fjpiu Nghd;wd gad;gLj;jg; gl;lJld; Fuq;F
Nghd;w tpyq;Ffs; Njq;fha; gwpj;jy; Nghd;w NtiyfSf;fhf rpy
ehLfspy; gad;gLj;jg;gl;LtUfpd;wd. ghiytdg; gpuNjrq;fspy; Nghf;F
tuj;jpw;fhf xl;lfk; gad;gLj;jg;gLfpd;wd. gy;NtW tifahd tz;bfs;
gad;gLj;jg;gLtjd; %yk; eilngWk; Nghf;Ftuj;Jf;fspy; tz;bfis
,Oj;Jr; nry;tjw;fhf fhis khLfs; gad;gLj;Jfpd;wd. mj;Jld;
gRf;fspypUe;J Nghrhf;F kpf;f czthd ghy; ngwg;gLfpd;wJ. mNj
Nghd;W ghukhd Ntiyfspy; ahidfSk; nghjp Rkg;gjw;Fk; Nghf;F
tuj;jpw;Fk; fOijfSk; FjpiufSk; gpuGf;fspd; ghJfhg;G> Nghl;bfs;
110
Nghd;wtw;wpYk; gad;gLj;jg;gLfpd;wd. jpUlu;fisg; gpbj;jy;> jLf;fg;gl;l
nghUl;fisg; gpbj;jy;> fz;zpntbg; nghUl;fisj; Njly;> tPl;Lupik
ahsu;fSf;F ghJfhg;G NtiyfspYk; fz;fhl;rpfspYk; eha;fs;
gad;Lj;jg;gLfpd;wd. tay; cOjy;> #L kpjpj;jy; Nghd;w Ntiyfspy;
vUikfs; gad;gLj;jg;gLtJld; vUikfs; %yk; japu; ngwg;gLfpd;wJ.
kdpj tpyq;Fr; rf;jpiag; gad;gLj;Jtjpy; ed;ikfs; fhzg;gLfpd;wd.
Kf;fpakhd ed;ikahf miktJ mjd; %yk; #oYf;F ghjpg;G
Vw;glhjthW rf;jpj; Njitia tpyq;Ffs; %yk; ngw;Wf;nfhs;sf;
$bajhf ,Ug;gJNkahFk;. mJ tYr; rf;jp neUf;fbf;fhd rpwe;j
jPu;thfTk; mikfpd;wJ.
vt;thwhapDk; ahid> fhis Nghd;w tpyq;Ffisg; guhkupg;gjpy;
cs;s gpur;rpid> Ntiynra;tjw;F $ba fhyk; nrythjy; Nghd;wd
nghwpfis mjpfkhfg; gad;gLj;j fhuzkhf mike;jd. mj;Jld; etPd
nghwpfSf;Fg; gof;fg;gl;likAk; kdpjd; gbg;gbahf Nrhk;NgwpahdikAk;
vupnghUs; thA kpd;rhuk; Nghd;w rf;jpg; gad;ghl;by; $ba tpUg;gk;
fhl;Ltjw;Ff; fhuzkhf mike;jJ. kdpj rf;jpiag; gad;gLj;jhik
ahdJ kdpjd; Neha;tha;g;gly;> Ntiy nra;tjw;fhf Nkyjpf nryT
Vw;gly; Nghd;w Rfhjhu> nghUsjhu gpur;rpidfs; Vw;glf; fhuzkhf
mike;jd.
md;whl NjitfSf;fhf fhw;Wr; rf;jpiag; gad;gLj;jy;md;whl NjitfSf;fhf fhw;Wr; rf;jpiag; gad;gLj;jy;md;whl NjitfSf;fhf fhw;Wr; rf;jpiag; gad;gLj;jy;md;whl NjitfSf;fhf fhw;Wr; rf;jpiag; gad;gLj;jy;md;whl NjitfSf;fhf fhw;Wr; rf;jpiag; gad;gLj;jy;
fhw;Wr; rf;jp kPs; cw;gj;jp nra;aj;jf;f rf;jp tifahFk;. ,yq;ifapy;
rpy gpuNjrq;fspy; tUlj;jpy; mjpf ehl;fs; fhw;W fhzg;gLfpd;wJ. fhw;whiyfs;
epWtp gy;NtW Ntiyfisr; nra;J nfhs;s KbAk;. gy;NtW tifahd fhw;Wj;
jl;ilfs; nfhz;l fhw;whiyfs; epu;khzp;f;fg;gl;Ls;sd.
,yq ;ifapy ; mk ;ghe ;Njhl ;ilapy ; fhw ;W k pd ;dhiy
epu;khzpf;fg;gl;Ls;sJld; mq;F 6 kpd; fhw;whiyfs; njhopw;gLfpd;wd. mq;F
cw;gj;jpahf;fg;gLk; 30MW nfhs;ssT nfhz;l kpd;rf;jp Njrpa kpd;rf;jp tiyg;
gpd;dYf;F toq;fg;gl;Lfpd;wJ.
fhw;whiyfspd; fhw;Wj; jl;ilfs; gy;NtW Kiwfspy; Mf;fg;gl;Ls;sd.
epiyf;Fj;jhd Roy;td;epiyf;Fj;jhd Roy;td;epiyf;Fj;jhd Roy;td;epiyf;Fj;jhd Roy;td;epiyf;Fj;jhd Roy;td;(Rotor)
,q;F fhw;wpd; jpiria vjpu; nfhz;L Roy;fpwJ.
fhw;Wj; jpir
jpUg;gp
kpd; gpwg;ghf;fp
fhw;wpd; jpir
nrNthdpa]; KiwnrNthdpa]; KiwnrNthdpa]; KiwnrNthdpa]; KiwnrNthdpa]; Kiw
( fhw;wpd; vj;jpirf;Fk;
RoYk; )
fhw;wpd;
jpir
kpd;
;gpwg;ghf;fp
111
fhw;wpd;
jpir
kpd;
gpwg;ghf;fp
Jtf;fp(rpwpa
nrNthdpa]; Roy;td;)
nlupad; Roy;td;nlupad; Roy;td;nlupad; Roy;td;nlupad; Roy;td;nlupad; Roy;td;
fhw;wpd; vj;jpirf;Fk; RoYk;
fhw;Wr; rf;jpapd; (fhw;whiyfs;) %yk; miuf;Fk; ,ae;jpuq;fs;> ePu;g;gk;gpfs;
Nghd;wtw;iw ,aq;fr; nra;ayhk;. ,aw;if rf;jp Kjy;fspd; gad;ghl;bdhy;
;#oy; khriltjpy;iy. rpy ehLfspy; ,e;j Kiw kpfr ; rpwg ;ghfr;
nraw;gLj;jg;gLfpd;wJ. gy;NtW fhw;whiyfspd; glq;fs; fPNo jug;gl;Ls;sd.
;
xy;yhe;jH; tiff; fhw;whiy mnkhpf;fH tiff; fhw;whiy gha; kuf; fhw;whiy
112
fhw;iwg; gad;gLj;Jtjd; mD$yq;fs;fhw;iwg; gad;gLj;Jtjd; mD$yq;fs;fhw;iwg; gad;gLj;Jtjd; mD$yq;fs;fhw;iwg; gad;gLj;Jtjd; mD$yq;fs;fhw;iwg; gad;gLj;Jtjd; mD$yq;fs;
♦ fhw;whiyia epu;khzpj;jYf;fhd nryT jtpu NtW nryTfs; Vw;gLtJ
kpff;FiwT
♦ #oy; khrilakhl;lhJ
♦ kPs;gpwg;ghf;fr; rf;jp tifahjyhy; tsq;fs; tpuakhtjpy;iy
fhw;iwg; gad;gLj;Jtjd; gpujp$yq;fs;fhw;iwg; gad;gLj;Jtjd; gpujp$yq;fs;fhw;iwg; gad;gLj;Jtjd; gpujp$yq;fs;fhw;iwg; gad;gLj;Jtjd; gpujp$yq;fs;fhw;iwg; gad;gLj;Jtjd; gpujp$yq;fs;
♦ njhopw;gLk; Ntfk; fhw;wpd; Ntfj;jpw;F Vw;g khWgLk;.
♦ fhw;wpy;yhj Ntisfspy; ,af;fk; ke;jkhjy;
♦ jiuj;Njhw;w NtWghLfSk;> fhyepiy NtWghLfSk; nry;thf;Fr;
nrYj;Jk;..
etPd rf;jp neUf;fbapd; kj;jpapy; fhw;Wr; rf;jpiag; gad;gLj;jypy; ftdk;
nrYj;Jjy; Kf;fpakhdjhFk;. mj;Jld; tPl;Lj; jpl;lkply;fspd; NghJ ,aw;ifahd
fhw;W tPl;bd; Clhf nry;tjw;F Vw;wthW jpl;lkpLtjd; %yk; nraw;ifahf tsp
ngwg;gLk; Njitia ,optsthf;f KbAk;. mNj Nghd;W njhopw;rhiyfspd; $iuapd;
Nkw;gFjpapy; (Exhauster Fan) ghtpg;gjd; %yk; cs;Ns ntg;gepiy cau;itf;
fl;Lg;gLj;jpf; nfhs;s KbAk;. vdNt fhw;Wr; rf;jpia jkJ NjitfSf;F
gad;gLj;Jtjpy; ftdk; nrYj;JtNjhL fhw;Wj; jl;ilfis etPdkag;gLj;jypYk;
ftdk; nrYj;Jjy; Kf;fpaj;Jtk; ngWfpd;wJ.
capu;j; jpzpitg; gad;gLj;jp rf;jp ngwy;capu;j; jpzpitg; gad;gLj;jp rf;jp ngwy;capu;j; jpzpitg; gad;gLj;jp rf;jp ngwy;capu;j; jpzpitg; gad;gLj;jp rf;jp ngwy;capu;j; jpzpitg; gad;gLj;jp rf;jp ngwy;
gy;NtW tPl;Lj; NjitfSf;Fk; Nghd;N;w ifj;njhopy; NjitfSf;Fk;
tpwF gad;gLj;jg;gLfpd;wJ. tpwF vdg;gLtJ jhtuq;fspypUe;J ngwg;gLk;
gjhu;j;jkhFk;. mj;NjhL cf;Fk; jhtu> tpyq;Fg; gFjpfisAk; ,we;j nghUl;fisAk;
gad;gLj;jp rf;jpiag; ngWtjw;F capu; thAit cw;gj;jp nra;J nfhs;s KbAk;.
rpy cs;@uhl;rpg; gpuNjrq;fspy; jkJ gFjpapy; Nrfupf;fg;gLk; ,t;tifahd
nghUl;fisg; gad;gLj;jp capu;thAit cw;gj;jp nra;J jkJ rf;jp Njit G+u;j;jp
nra;J nfhs;sg;gLfpwJ. ,jd; %yk; #oypy;; NrUk; fopTg; nghUl;fspd; msT
,opthtJld; #oy; khriljYk; ,opthfpd;wJ. ,jd; %yk; #oy; ghJfhg;Gf;Fg;
gq;fspg;G toq;fg;gLfpd;wJ. jhtug; gFjpfSk;> ,we;j tpyq;Fg; gFjpfSk; nghJthf
capu;j;jpzpT vd miof;fg;gLfpd;wJ. ,jd; mbg;gilapy; tpwFk; capu;j;jpzpTg;
nghUshFk;.
capu; thA vdg;gLtJ kpfj;Jha;ikahd cau; ngWkhdj;ijf; nfhz;l
gy;NtW NjitfSf;Fg; gad;gLj;jf;$ba vupnghUshFk;. ; czT rikj;jy;> xsp
ngwy;> kpd; cgfuzq;fis ,af;Fjy; Nghd;wtw;iwr; nra;tJld; mjpfsT
ntg;gj;ijAk; ngwf;$bajhf ,Uj;jy; ,jd; tpN~l ,ay;ghFk;. capu; thA
vdg;gLtJ nkNjd;> fhgdPuhl;irl;;L; > ePuhtp vd;gtw;iw cs;slf;fpa xU
fyitahFk;. Nrjdg; nghUl;fspy; gw;wPupahj; jhf;fj;jpd; NghJ Rthrj;jpd; %yk;
Nrjdg; nghUl;fs; moptjd; %yk; capu; thA ntspNaWfpd;wJ. ,q;F eilngWk;
,urhad khw;wj;ijf; fPo;tUkhW fhl;lyhk;
gw;wPupah
2C6H
12O
6 → C
8H
10O
5 + 2CH
4+ 2CO
2+ H
2O
njhopw;ghL
(fhw;wpd;wpa Rthrk;)
113
8. njhlu;ghlYf;fhf jpl;lg;glq;fisg; gad;gLj;jy;8. njhlu;ghlYf;fhf jpl;lg;glq;fisg; gad;gLj;jy;8. njhlu;ghlYf;fhf jpl;lg;glq;fisg; gad;gLj;jy;8. njhlu;ghlYf;fhf jpl;lg;glq;fisg; gad;gLj;jy;8. njhlu;ghlYf;fhf jpl;lg;glq;fisg; gad;gLj;jy;.
gy;NtW Kiwfspy; capu;thA cw;gj;jpahf;fpfis mikj;Jf; nfhs;s KbAk;.
gad;gLj;jg;gLk; nghUl;fSf;F mika capu;thA cw;gj;jpahFk; Kiwfs;
♦ cyu; thA (itf;Nfhy; Nghd;w nghUl;fisg; gad;gLj;jy;)
♦ <u Kiw (rhzk;> rpWePu;; Nghd;w nghUl;fisg; gad;gLj;jy;)
capu; thATk; capu; thA gpwg;ghf;fpAk;capu; thATk; capu; thA gpwg;ghf;fpAk;capu; thATk; capu; thA gpwg;ghf;fpAk;capu; thATk; capu; thA gpwg;ghf;fpAk;capu; thATk; capu; thA gpwg;ghf;fpAk;
nghJthf capu;thA gpwg;ghf;fypy; itf;Nfhy;> fpspuprpbah> rhzk;>
ry;tPdpah Mfhaj;;;jhkiu Nghd;w gytif ,iy Fiofisg; gad;gLj;Jtu;.
capu;thA gpwg;ghf;fpfSs; Nkw;gb nghUl;fs; ePUld; fye;J rpy ehl;fSf;F
itf;fg;gLk; NghJ mit capu;thAit ntspapl Muk;gpf;Fk;. mt;thW
cw;gj;jpahFk; capu;thAit mg;NghNjh Nrkpj;Jitj;Njh Njitf;Nfw;wthW
cgNahfpg;gu;. gy;NtW tbtq;fspyhd capu;thAg; gpwg;ghf;fpfs; jahupf;fg;gl;Ls;sd.
mt;thwhd gpwg;ghf;fpfs; rpy fPNo fhz;gpf;fg;gl;Ls;sd.
tpyq;Fg; gz;izfspypUe;J ngwg;gLk; rhzk;> rpW ePu; Mfpatw;iw
cgNahfpf;ff;$bathW Nkw;gb capu; thAg; gpwg;ghf;fp jahupf;fg;gl;Ls;sJ.
cl;nrYj;Jk; Jis A apDhlhf miw C apDs; Nkw;gb nghUl;fs;
njhlu;r;rpahf cl;nrYj;jg;gLk;.
ngUk;ghYk; khl;Lg; gz;izfspypUe;J fhy;thapd; %yk; A iar; nrd;wilar;
nra;ag;gl;Ls;sJ. C miwapDs; capu;thA gpwg;ghf;fg;gLk;. thAf; fl;Lg;gLj;jpia
,af;fp Njitahd NghJ capu;thAit ntspapy; ngw KbAk;. gpupifaile;j
gpd;du; C apDs; cs;s nghUl;fs; X miwapypUe;J Y miwf;F mDg;gg;gLk;.
mit ,ilf;fpil B vDk; ntspNaWk; thapiy te;jilAk;. MfNt mg;nghUl;fis
,ilf;fpilNa ntspNaw;w KbAk;. mg;nghUl;fs; rpwe;j Nrjdg; grisfshFk;.
;
capH thA
ntspNawy;
rhzKk; ePUk; nfhz;l
fyitia NrHj;jy; thAj; njhl;b
epy kl;lk;
gphpifailAk; miwgphpf;Fk; RtH
ePupdhyhd Kj;jpiu
epy kl;lk;
;kpjf;Fk;thA Nrfupg;ghd;
gpupifailAk; nghUl;fs;
gpupifailar;nra;Ak; miw
gpupifahf;fp
114
,t;tifg; gpwg;ghf;fpfSf;F 6 khjj;jpw;F xU Kiw itf;Nfhy; A+upah ePu;
Mfpatw;iwr; Nru;j;J Kj;jpiuapl Ntz;Lk;. mg;NghJ rpy thuq;fspy; capu;thAitg;
ngw KbAk;. Fwpj;j capu;thA Foha; topapd; Clhf ePu;j; njhl;bapy; ,lg;gl;Ls;s
jhq;fpfspDs; xd;W NrUk;. jhq;fpfspDs; thA mjpkhFk; NghJ nkd;NkYk;
mit ePupy; kpjf;Fk;. ,jd; %yk; capu;thAitj; Njitahd NghJ ngwyhk;.
Nkw;gb gpwg;ghf;fp %yk; njhlu;r;rpahf 4-5 khjq;fSf;F (capu; thA Nrkpg;giwfspd;
mstpw;Nfw;g NtWgLk;) capu;;;;;;;; thAitg; ngwyhk;.
gbg;gbahf capu;thA cw;gj;jp FiwtilAk;. mg;NghJ ePu; Kj;jpiuia
mfw;wp cs;Ns ,Uf;Fk; nghUl;fs; mfw;wg;gl Ntz;Lk;. Nkw;gb nghUl;fis
Nrjd cukhfg; gapu;fSf;F ,lKbAk;. mtw;iw mfw;wpajd; gpd;du; kPz;Lk;
gpupif miwapDs; Nrjdf; fopTfis ,Ltjd; %yk; nraw;ghL kPz;Lk;
Muk;gf;fg;gLk;.
cyu; tpwFf; Jz;Lfis ntg;gg;gNkw;wp mjpypUe;J ntspNaWk;
fhgNdhnuhl;irl;L (CO) thAit jfdj;jpw;Fg; gad;gLj;jYk; ,d;W vupnghUisg;
ngw gutyhfg; gpd;gw;Wk; xU KiwahFk;. ,jw;F fpspuprpbah tpwF kpfTk;
nghUj;jkhdJ. Nkw;gb tpwifr; rpWJz;Lfshf;fp cgNahfpg;gu;. ,t;thW ngwg;gLk;
ntg;gk; %yk; RLfhLfspy G+jTlyfis; vupg;gjw;Fk;> cNyhfq;fis cUf;Fk;
#isfspy; jfdj;jpw;Fk; cl;jfd vd;[pd;fspd; %yk; kpd;idg; gpwg;gpf;Fk;
gpwg;ghf;fpfis ,af;fTk; KbAk;.
Nkw;gb cj;jpapd; %yk; rf;jpiag; ngWk; ,uz;L Kiwfs; fPNo jug;gl;Ls;sd.
FWf;Fg; Xl;;l KiwFWf;Fg; Xl;;l KiwFWf;Fg; Xl;;l KiwFWf;Fg; Xl;;l KiwFWf;Fg; Xl;;l Kiw
fPo; Xl;l KiwfPo; Xl;l KiwfPo; Xl;l KiwfPo; Xl;l KiwfPo; Xl;l Kiw
.
kyu;fs;
fhw;W cl;
nrYj;Jk; top
tpwF
fLikahfr; #lhf;fg;gl;l
CO,O2 fyit
Rthiy
ntg;gk;
fLikahfr; #lhf;fg;gl;l
CO,O2 fyit
Rthiy
tpwF
ntg;gk;
fhw;W cl;
nrYj;jy;
115
rf;jp Kjy;fs;rf;jp Kjy;fs;rf;jp Kjy;fs;rf;jp Kjy;fs;rf;jp Kjy;fs;
,d;W cgNahfj;jpYs;s gy rf;jp Kjy;fs; gbg;gbahfr; #oypUe;J
mUf tUfpd;wd. tsu;r;rpaile;j ehLfspy; rf;jpg; ghtid> gz;ila kdpjdpd;
rf;jpg; ghtidiag; Nghd;W gd; klq;fhf ,d;W mjpfupj;Js;sJ. MfNt ,d;Ws;s
rf;jpf;fhd Nfs;tpf;F Vw;wthW rf;jpia toq;Fjy; ,d;W ghupa gpur;rpidahf
cs;sJ. Kf;fpakhf vupnghUs; tiffs; mUfpg;Nghjy;> ifj;njhopy; NjitfSf;fhf
vupnghUs; Njitg;gLjy; vd;;gd fhuzkhf rhjhuz kf;fs; tho;f;ifapYk; r%f>
nghUshjhu gpur;rpidfs; cUthfpAs;sd. MfNt rf;jp cw;gj;jp> rf;jp ghtid
njhlu;ghd vkJ kdg;ghq;FfSk; khw;wkiljy; Ntz;Lk;. Kd; Maj;jkhf ghlrhiy
kl;lj;jpy; khztu;fSf;F mwpT+l;ly; Ntz;Lk;. rf;jp tPz; tpuakhfhj tPLfis
mikj;jy;> mjpfkhf #upa rf;jpiag; gad;gLj;jy;> jdf;Fj; Njitahd czTg;
gapu;fisAk; NtW gapu;fisAk; nra;if gz;zy; Nghd;w tplaq;fs; gw;wpAk;
khztu;fSf;F mwpT+l;lk; nra;ayhk;.
#upa rf;jpia vkJ NjitfSf;Fg; gad;gLj;JtJ njhlu;ghf ,d;W gy
tifahd Muha;r;rpfs; eilngWfpd;wd. mtw;Ws; rpy etPd cj;jpfshFk;. Qhapw;Wf;
fyq;fs;> Qhapw;W mLg;Gf;fs; Mfpad ,tw;Ws; rpythFk;. ,it jtpu tpz;ntspapy;
jhgpf;fg;gLk; #upa rf;jp cwpQ;rpfs; %yk; rf;jpia cwpQ;rp Ez;miyfshf
Gtpf;F mDg;gp Ntiyfisr; nra;tpf;fyhk;. ( kpd; tpsf;Ffis vupar; nra;jy;
Nghd;w) NkYk; cyfpd; jpwe;j gpuNjrq;fspy; tpOk; #upa ntg;gj;jpd; %yk;
cld;fhTif xl;lq;fis Vw;gLj;jp Roypfisr; Row;wp kpd; gpwg;ghf;fpfis ,af;fTk;
KbAk;. ,t;thwhd Kiwapay;fs; gw;wpa Ma;Tfs; ,d;W eilngWfpd;wd. ,J
jtpu cw;gj;jp nra;ag;gLk; rf;jpiag; gytopfspy; fsQ;rpag;gLj;jYk; ,d;iwa
Njitahf cs;sJ.
#upa(QhapW) rf;jpiag; gaDs;s Kiwapy; gad;gLj;jy;#upa(QhapW) rf;jpiag; gaDs;s Kiwapy; gad;gLj;jy;#upa(QhapW) rf;jpiag; gaDs;s Kiwapy; gad;gLj;jy;#upa(QhapW) rf;jpiag; gaDs;s Kiwapy; gad;gLj;jy;#upa(QhapW) rf;jpiag; gaDs;s Kiwapy; gad;gLj;jy; #upa rf;jp miy tbtpy; Gtpia milfpd;wJ. ,q;F me;j rf;jp
fjpu;g;Gf;Fs;shfpd;wJ. fjpu;g;gpd; NghJ fjpu;g;G rf;jpia ntsptpLk; nghUSf;;Fk;
fjpu ;g ;G rf ;jpiag ; ngw ;Wf ;nfhs;Sk; nghUSf;Fk; ,ilNa Clfk;
mtrpag;glhtpl;lhYk; mJ kpd; fhe;j miy tbtpy; xspapd; Ntfj;jpy;
CLfLj;jg;gLk;. #upa rf;jpf; fjpu;g;gpd; NghJ gy;NtW rf;jp tbtq;fshf Gtpia
milfpwJ. mitahtd
ntg;gk;
xsp
NtW (fhkhf; fjpu;fs;)
Nkw;Fwpg;gpl;l rf;jptbtq;fs; NeubahfNth my;yJ NtW cgfuzq;fspd;
%yNkh gy;NtW Ntiyfspy; gad;gLj;jg;gLfpd;wd. cilfis cyu;j;Jjy;>
czTg; nghUl;fis cyu;j ;Jjy; > tPl ;il xspkakhf ;fy; Nghd;wd
Nkw;Fwpg;gpl;ltw;wpw;Fr; rpy cjhuzq;fshFk;.
#upa ntg;gj;ijAk; gy;NtW Kiwfspy; gad;gLj;j KbAk;.
Qhapw;W (#upa ) cyu;j;jp : #upa ntg;gj;ijg; gad;gLj;jp nghUl;fis
cyu;j;jy;/ ePufw;wy;
czT tif : kuf;fwp tiffs;> goq;fs;> Njq;fha;r;nrhl;L
116
Qhapw;W(#upa) cyu;j;jp Mf;ff; $ba rpy Kiwfs;Qhapw;W(#upa) cyu;j;jp Mf;ff; $ba rpy Kiwfs;Qhapw;W(#upa) cyu;j;jp Mf;ff; $ba rpy Kiwfs;Qhapw;W(#upa) cyu;j;jp Mf;ff; $ba rpy Kiwfs;Qhapw;W(#upa) cyu;j;jp Mf;ff; $ba rpy Kiwfs;
#upa ntg;gk;
fUik epw
cNyhfj;jfL ntg;g thA
ntspNaWk; Jis
gyifg;ngl;b
jhq;fp
fz;zhbj;
jfL
;
cyh;j;Jk;;
nghUs;
tsp cl;
nrYj;Jk;
Jthuk;;;
#upa ntg;gk;
Nkw;Fwpg;gpl;l #upa(Qhapw;W) f;fyq;fspd; %yk; kuf;fwp> goq;fs; Nghd;wtw;wpy;
epw khw;wk; Vw;gLfpd;wJ. fPo;tUk; Kiwapy; mgptpUj;jp nra;ag;gl;l #upa
cyu;j;jpfisg; ghtpg;gjd; %yk; epwkhw;wk; miltijj; jLj;Jf; nfhs;syhk;.
l
2C
#upa fjpu;r; rf;jp
nghypjpd; ciw
gyif rl;lf
mikg;G
ntg;g thA
ntspNaw;wk;
nghypjpd;
ciw
#upa fjpu;
rf;jp
tsp cl;nry;Yk;
Jthuk;
#upa fjpu; rf;jp
nghypjpd; ciw
gyif rl;lf
mikg;G
ntg;g thA
ntspNawy;
fUikahd
cNyhfj;
jfL
fUikahd
cNyhfj;
jfL
tsp cl;nry;Yk;
Jthuk;
fk;gp
tiy
117
#upa mLg;Gf;fs;#upa mLg;Gf;fs;#upa mLg;Gf;fs;#upa mLg;Gf;fs;#upa mLg;Gf;fs;
#upa ntg;gj;ij Xuplj;jpy; Ftptjw;F toptFg;gjd; %yk; ngwg;gLk;
ntg;gj;ijg; gad;gLj;jp gy;NtW Ntiyfisr; nra;J nfhs;s KbAk;. ,t;thwhd
cgfuzq;fspy; gad;gLj;jg;gLk; njwpg;G my;yJ FtpT Nkw;gug;Gf;fspd; gug;gsit
mjpfupg;gjd; %yk; xd;W NrUk; ntg;gj;jpd; msit mjpfupj;Jf; nfhs;s KbAk;.
vspa #upa mLg;Gf;fis mikj;jy;vspa #upa mLg;Gf;fis mikj;jy;vspa #upa mLg;Gf;fis mikj;jy;vspa #upa mLg;Gf;fis mikj;jy;vspa #upa mLg;Gf;fis mikj;jy;
#hpa ntg;gk;
Mb
czTg;#hpa ntg;gk;
czTg; ghj;jpuk;
gutisthb
,t;Tgfuzk; mjd; mbg;gilj; jj;Jtj;ij tpsq;fpf; nfhs;tjw;fhf
Kd;itf;fg;gl;Ls;sJ. gpuNahf uPjpapy; ngupa FtpT tpy;iyfs; ngw;Wf; nfhs;tjpy;
rpukk; fhzg;gLfpd;wJ.
vdNt gpuNahf uPjpapy; gy jsthbj; Jz;Lfis xl;b mLg;Gf;fs; mikj;Jf;
nfhs;s KbAk;.
#upa fyg; gly;fs; %yk; #upaxspahdJ
kpd;rf;jpahf khw;wg;gLfpd;wJ.1m2
gug;gpy;cw;gj;jpahf;fg;gLk; xspapypUe;J
6kWh msT rf;jpiag; ngwKbAk>; vdf;
fUjg;gLfpd;wJ. ,t;thW ngwg;gLk;
miyfspy; 75% xsp fhzg;gLfpd;wJ
.mj;Jld; #upaf; fyg;glypd; tpidj; jpwd; 10-20 % MFk;. vdpDk; ,jw;fhfg;
gzr;nryT Vw;gLtjpy;iy. #upaf; fyg; glypd; MAl;fhyk; mz;zsthf
20 tUlq;fshFk;. mj;Jld; mjd; Muk;gr; nrytpw;F Nkyjpfkhf NtW
nryTfs; Vw;gLtjpy;iy. ,J nghUshjhuuPjpapy; ed;ik gag;gJld; kPs;gpwg;gpf;
fg;gLk; rf;jp Kjy; gad;gLj;jg;;gLtjhy; #oypw;Fg; ghjpg;G Vw;glhj tifay;;
nghUshjhuj;jpw;F mjpf gq;fspg;ig toq;Ffpd;wJ.
#upa(Qhapw;W)f; fyq;fshy; NeNuhl;l kpd; (DC) cw;gj;jpahf;fg;gLfpd;wJ.
,k;kpd;rf;jpiag; gad;gLj;jp kpd;fyq;fis kpd;Ndw;wpf;nfhs;s KbAk;. mj;Jld;
Neu; khw;wpfs; (Invertor) %yk; Neu; Xl;lj;ij MlNyhl;lkhf (AC) khw;wp tPl;Lj;
Njitf;fhd kpd; Njitiag; G+u;j;jp nra;Jnfhs;s KbAk;. nghJthf
#upaf; fyg;gly; 0.5m2 gug;Gf; nfhz;ljhf Mf;fg;gLk;. #upaf; fyq;fspd;
nraw;ghl;by; ,urhadg; nghUl;fs;; gad;gLj;jg;gLtjpy;iy. vdNt ,urhad
khw;wq;fs; Vw;gLtjpy;iyahifahy; ,Ug;gjhy; MAl;fhyk; mjpfkhFk;.
fz;zhbfz;zhb
Fiw flj;jpj;;
jfLfs;
118
#upa rf;jp gad;ghl;bd; mD$yq;fshf gpd;tUtdtw;iwf; Fwpg;gply#upa rf;jp gad;ghl;bd; mD$yq;fshf gpd;tUtdtw;iwf; Fwpg;gply#upa rf;jp gad;ghl;bd; mD$yq;fshf gpd;tUtdtw;iwf; Fwpg;gply#upa rf;jp gad;ghl;bd; mD$yq;fshf gpd;tUtdtw;iwf; Fwpg;gply#upa rf;jp gad;ghl;bd; mD$yq;fshf gpd;tUtdtw;iwf; Fwpg;gplyhk;.
♦ kPs; gpwg;ghf;fg;gLk; rf;jp (,aw;ifahfNt fpilf;fpd;wJ )
♦ #oy; khriltjpy;iy
♦ ntg;gk;> xsp Nghd;w gy;NtW Njitfis epiwNtw;wpf;nfhs;s KbAk;.
♦ ,yFtpy; ngw;Wf; nfhs;s KbAk;. rfy ,lq;fspYk; gad;gLj;j
KbAk;.
♦ mghakw;wJ.
♦ gz tpuakpd;wpg; ngw;Wf;nfhs;s KbAk;.
♦ ,yFthfg; gad;gLj;j KbAk;.
gpujp$yq;fshfggpujp$yq;fshfggpujp$yq;fshfggpujp$yq;fshfggpujp$yq;fshfg; gpd;tUtdtw;iwf; Kd;itf;fyhk gpd;tUtdtw;iwf; Kd;itf;fyhk gpd;tUtdtw;iwf; Kd;itf;fyhk gpd;tUtdtw;iwf; Kd;itf;fyhk gpd;tUtdtw;iwf; Kd;itf;fyhk;
♦ #upa fyq;fs; %ykd;wp NtW Kiwfspy; ngwg;gLk; rf;jpia Nrkpj;Jf;
nfhs;s Kbahik
♦ vy;yh ehl;fspYk; xNu mstpyhd #upa xspiag; ngw;Wf;nfhs;s
Kbahik (fhyepiy> ,uT fhyk;)
♦ etPd fhy rf;jp neUf;fbf;F gupfhukhf #upa(Qhapw;Wr;) rf;jpia
,ad;wsT gad;gLj;Jtjpy; ftdk; nrYj;Jjy; Kf;fpakhdJ.
ntg;gf;flj;jpypap
dhyhd %b
ePu; cl;Gfy;
(Fspu;)
ePu; ntspNaWk;
Jis(#lhd)
ePu; Nrfupf;Fk; njhl;b
#upa ntg;gk;;
Qhapw;Wg; gliyiag; gad;gLj;jp ePiu ntg;gNkw;wy;.Qhapw;Wg; gliyiag; gad;gLj;jp ePiu ntg;gNkw;wy;.Qhapw;Wg; gliyiag; gad;gLj;jp ePiu ntg;gNkw;wy;.Qhapw;Wg; gliyiag; gad;gLj;jp ePiu ntg;gNkw;wy;.Qhapw;Wg; gliyiag; gad;gLj;jp ePiu ntg;gNkw;wy;.
,q;F ePu;j; njhlbapypUe;J ntg;g cwpQ;rpg;glYf;F ePu; toq;fg;gLtJld;
fjpu;g;gpd; %yk; ngwg;gLk; ntg;gj;jpd; %yk; Foha; ntg;gkhf;fg;gLfpd;wJ.
FohapypUe;J flj;jy; %yk; ntg;gk; ePupw;Ff; nfhz;Lnry;yg;gLfpd;wJ. ntg;gkhf;
fg;gl;l ePu; jhq;fpapd; Nkw;gFjpapypUe;J ngw;Wf;nfhs;sg;gly; Ntz;Lk;. ,uT
Neuj;jpy; ePu; NghjpasT ntg;gkhfhjpUg;gijj; jLg;gjw;fhf #upaf; fyg; gly;
%yk; kpd;fyq;fis kpd;Ndw;wp mjd; %yk; ntg;gr; RUs; xd;iw ,aq;fitf;f
yhk;. ntg;g cwpQ;ry; glypd; tpidj;jpwid mjpfupg;gjw;F cau;; jilj;jpwd;
nfhz;l nghUl;fisj; njupT nra;jy; mj;Jld; mg;nghUs; ntg;gj;ij mjpf
Neuk; jq;f itj;jpUj;jy;> cNyhfj; jfl;il fUikahf;fy; Nghd;w cj;jpfisf;
ifahsyhk;.
119
njh
msT A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
ePsk; mm 1189 841 594 420 297 210 148 105 74 52 37
mfyk; mm 841 594 420 297 210 148 105 74 52 37 26
A1
A2
A3
A4
A5
A6
A7
1189
841
B tif
B0 - 1000 × 1414
B1 - 707 × 1000
B2 - 500 × 707
B3 - 353 × 500
B4 - 250 × 353
B5 - 176 × 250
B6 - 125 × 176
B7 - 88 × 125
B8 - 62 × 88
C tif
C0 - 917 × 1297
C1 - 648 × 917
C2 - 458 × 648
C3 - 324 × 458
C4 - 229 × 324
C5 - 162 × 229
C6 - 114 × 162
C7 - 81 × 114
C8 - 57 × 81
7. njhlu;ghlYf;fhf jpl;lkpl;l rpj;jpuq;fisg; gad;gLj;jy;7. njhlu;ghlYf;fhf jpl;lkpl;l rpj;jpuq;fisg; gad;gLj;jy;7. njhlu;ghlYf;fhf jpl;lkpl;l rpj;jpuq;fisg; gad;gLj;jy;7. njhlu;ghlYf;fhf jpl;lkpl;l rpj;jpuq;fisg; gad;gLj;jy;7. njhlu;ghlYf;fhf jpl;lkpl;l rpj;jpuq;fisg; gad;gLj;jy;
jpz;kg; nghUs; xd;wpd; >fUtpnahd;wpd; > njhFjpnahd;wpd; tbtj;ij
my;yJ mikg;gig Mapuf;fzf;fhd trdq;fspd; %yk; $l njhlu;ghly; nra;tJ
rpukkhf ,Ue;jJ. mjw;Ff; fhuzk; mf;fhyj;jpy; jpl;lg;glk;; tiujYf;F
Vw;Wf;nfhs;sg;gl;l epak> FwpaPLfs; rl;ljpl;lq;fs; Nghd;wit fhzg;glhikahFk;.
,d;W epiyik khwpcs;sJ. jpl;llk; tiujy; Jiw Kd;Ndw;wkile;Js;sJ.
,t;thW tiuag;gLk; rpj;jpuq;fs; nghwpKiwr;rpj;jpuq;fs; vd miof;fg;gLfpd;wd.
jw;NghJ nghwpKiwr; rpj;jpuq;fs mfpy nkhopahf khwpAs;sJ. nghwpKiw tiujy;>
njhopDl;;g tiujy;>ve;jpu tiujy; vdg;gy;NtW ngau;fshy; miof;fg;gLfpd;wd.
,e;jj;Jiw nghwpKiw > kpd;>rptpy;>Nghd;w njhopDl;gg; Gyq;fs; tiuAk;
gutpAs;sJ.njhopDl;g tiujiy gpugykhd ru;tNjr njhlu;ghly; Clfk; vdTk;
miof;fyhk;.
ru;tNjr juj;jpd;gb jhs;fs; mstplg;gl;Ls;s Kiwru;tNjr juj;jpd;gb jhs;fs; mstplg;gl;Ls;s Kiwru;tNjr juj;jpd;gb jhs;fs; mstplg;gl;Ls;s Kiwru;tNjr juj;jpd;gb jhs;fs; mstplg;gl;Ls;s Kiwru;tNjr juj;jpd;gb jhs;fs; mstplg;gl;Ls;s Kiw
tiujw; jhs;fspy; fhzg;gl Ntz;ba ,ay;Gfs;.tiujw; jhs;fspy; fhzg;gl Ntz;ba ,ay;Gfs;.tiujw; jhs;fspy; fhzg;gl Ntz;ba ,ay;Gfs;.tiujw; jhs;fspy; fhzg;gl Ntz;ba ,ay;Gfs;.tiujw; jhs;fspy; fhzg;gl Ntz;ba ,ay;Gfs;.
• ,ioaikg;G XusT fulhdjha; ,Uj;jy; Nt;zLk;.
120
• $ba jbg;Gilajhf ,Uj;jy;(rhjhuz fljhrpia tpl)
• epak msTf;F mikthf ,Uj;jy;
tiujw; fUtpfs; :tiujw; fUtpfs; :tiujw; fUtpfs; :tiujw; fUtpfs; :tiujw; fUtpfs; :
• tiujw; gyif: ,jd; xU Xuk; Neuhdjhf ,Uj;jy; Ntz;Lk;. ve;NeuKk;T %iy kl;lj;jpd; ifg;gpb (Stock) me;j Neuhd Xuj;ijj;njhlf;$bajhf itj;jpUj;jy; Ntz;Lk;.
• T %iy kl;lk;: fpilahd rkhe;juf; NfhLfs; tiutjw;F gad;gLfpwJ.,lf; ifapdhy; tiuAk; egu;fSf;F Vw;wthW T %iykl;lk; mikj;Jf;nfhs;sg;gly; Ntz;Lk;. T %iy kl;lj;jpd; tOf;F juq;F cs;stpspk;G khj;jpuk; gad;gLj;jg;gly; Ntz;Lk;.
• tiujYrpfs;: tiujw; jhis tiujw; gyifAld; njhLg;gjw;F,J gad;gLj;jg;gLfpwJ.
• tiu Nfhy;: mstPLfs; ngWtjw;Fg; gad;gLk;.
• jPu;khd %iy kl;lr; Nrhbfs;: 300" 600" 900" 450" 750" 1050" 150 Nghd;wNfhzq;fs; tiutjw;Fk; rkhe;juf; NfhLfs; tiutjw;Fk; gad;gLk;.
• ftuhak;: tl;lq;fs;> tpw;fs; tiutjw;Fk; mstPLfisg; gpujpnra;tjw;Fk; gad;gLfpwJ.
• gpupfUtp: mstPLfisf; Fwpg;gjw;Fk; mtw;iwg; gpujp nra;tjw;Fk;gad;gLk;
• mopwg;gu;: Njitaw;w NfhLfis mopg;gjw;Fg; gad;gLk;.
• ngd;rpy;: NfhLfs;> glq;fs;> vOj;Jf;fs;> mstPLfs;> FwpaPLfs;Nghd;wtw;iw tiutjw;Fg; gad;gLk;. ,q;F nghUj;jkhd ngd;rpy;njupT nra;ag;gly; Ntz;Lk;.
• ngd;rpy; Kid $uhf;fp: nky;ypa NfhLfs; tiuAk; NghJ ,Jgad;gLj;jg;gLk;. ,J gyifj; Jz;nld;wpd; Nky; muj;jhis xl;Ltjd;%yk;; Mf;fpf;nfhs;syhk;.
• gplitj; Jz;L: mopj;jjd; gpd; tiujhisj; Jilg;gjw;F ,Jgad;gLj;jg;gLfpwJ.
ngd;rpy; ghFghL ngd;rpy; ghFghL ngd;rpy; ghFghL ngd;rpy; ghFghL ngd;rpy; ghFghL
xt;nthU Njitf;Fkhd ngd;rpy; mtw;wpd; Kidapd; ,ay;ig(fbdkhd nkd;ikahd) mbg;gilahff;nfhz;L KiwNa ghFghL nra;ag;gl;Ls;sJ.mit gpd;tUkhW :
^H = Hard&^B = Black&
kpff; fbdk; rhjhuzk; nkd;ik/ kpf nkd;ik/ fUik
fbdk; fUik
6H, 5H, 4H, 3H, 2H, H, HB, B, 2B, 3B, 4B, 5B, 6B
121
,tw;wpw;F Nkyjpfkhf rpy re;ju;g;gq;fspy; F (fine) ngd;rpy;fSk; fhzg;gLfpd;wd.mJ HB ngd;rpYf;F kpfTk; mz;zsthfr; rkkhdJ. ngUk;ghyhd vy;iyf;NfhLfs; tiutjw;F 2B ngd;rpYk; mikg;Gf; NfhLfSf;F 2H ngd;rpYk;mstPLfisf; fhl;Ltjw;F HB ngd;rpYk; gad;gLj;jg;gLk;.
njhopDl;g tiujYf;fhf tiujhisj; jahu; nra;jy;
♦ Muk;gj;jpy; jhis ePsg;ghl;bw;F /FWf;Fg;ghl;bw;F Vw;wthW tiujy;gyifapd; ,lg;gf;f Nky; Edpf;F mUNf itj;J me;Edpia
,izj;Jf;nfhs;sTk;.
♦ mjd; gpd;G T %iy kl;lj;jpd; ifgpbia tiujw; gyifapd; ,lg;gf;ftpspk;igj; njhLkhW itj;J T %iy kl;lj;jpd; myfpw;F rkhe;jukhffljhrpia mikj;J kw;iwa EdpiaAk; tiujYrpapdhy; ,izf;f.
♦ Njitahapd; NkYk; ,uz;L tiujYrpfis fNPo ,izj;Jf;nfhs;f.
♦ ,izj;j jhspd; Nky; fPo; Xuq;fspy; ,Ue;J 5mm cs;gf;fkhf gpupfUtpapdhy;,uz;L Gs;spfis milahskpl;L T %iy kl;lj;jpd; cjtpAld; fpilahd,uz;L NfhLfs; tiue;J> jhspd; tyg;gf;fkhf Edpapd; tpspk;gpw;F 5 mmcs;gf;fkhf T %iy kl;lk; xd;iw itj;J nrq;Fj;ij tiue;J nfhs;f.
♦ gpd;G ,lg;gf;fkhf Nfhg;Gld; ,izf;ff;$bajhf jhspd; ,lg;gf;f tpspk;gpw;F15mm cs;shy; Kd;G Nghy; nrq;Fj;njhd;iw tiue;J rl;lfj;ij (epakrl;lfk;) G+uzg;gLj;jpf;nfhs;f.
♦ ghlrhiyf;F epWtdj;jpw;F cupajhf epakf;fl;lj;jpDs; fPo;g;gFjpapy; Vw;wtpjj;jpy; juT ml;ltizf;fhf fl;lnkhd;iw xJf;fpf;nfhs;s KbAk;.,jw;fhf jhspd; fPo;g;gFjpapy; 30mm mstpyhd fPyk; xd;iwxJf;fpf;nfhs;syhk;
♦ ,e;jf;$l;bDs; glj;ijf; Fwpf;Fk; ngau;(ngupjhf)> msTj;jpl;lk;> glf;FwpaPL>(Kjy; %d;whk; Nfhzk;)> gl ,yf;fk;> tiugtu; ngau; Nghd;w jfty;fs;cs;slf;fg;glyhk;
NfhL tiffs;;NfhL tiffs;;NfhL tiffs;;NfhL tiffs;;NfhL tiffs;;
♦ ,uz;L Gs;spfSf;fpilapyhd fpl;ba JukNeu;NfhlhFk;;.
♦ Xa;tpycs;s ePupw;F rkhe;jukhf tiuag;gLk; NfhL; fpilf;NfhL; MFk;.
♦ Jf;Ff; Fz;bd; EYf;F rkhe;jukhd NfhLfs; epiyf;Fj;Jf; NfhlhFk;.
♦ epiyf;Fj;jhf my;yJ fpilahf ,y;yhj NfhLfs; rha;Tf; NfhLfs;MFk;.
njhopy; El;g tiujypy; gad;gLj;jg;gLk; epakf;NfhLfs;njhopy; El;g tiujypy; gad;gLj;jg;gLk; epakf;NfhLfs;njhopy; El;g tiujypy; gad;gLj;jg;gLk; epakf;NfhLfs;njhopy; El;g tiujypy; gad;gLj;jg;gLk; epakf;NfhLfs;njhopy; El;g tiujypy; gad;gLj;jg;gLk; epakf;NfhLfs;
122
epakf; NfhLfs;epakf; NfhLfs;epakf; NfhLfs;epakf; NfhLfs;epakf; NfhLfs; Nfhl;bd; ngaHNfhl;bd; ngaHNfhl;bd; ngaHNfhl;bd; ngaHNfhl;bd; ngaH gad;gLj;jg;gLk; re;jHg;gq;fsgad;gLj;jg;gLk; re;jHg;gq;fsgad;gLj;jg;gLk; re;jHg;gq;fsgad;gLj;jg;gLk; re;jHg;gq;fsgad;gLj;jg;gLk; re;jHg;gq;fs;
jbj;j njhlh; NfhL nghUs; xd;wpd; njhpAk;
tpspk;Gfis fhl;Ltjw;F
( tpspk;Gf; NfhLfs;)
nky;ypa njhlh; NfhL ghpkhzq;fisf; Fwpj;jy;> FWf;F
ntl;il fhl;ly;> Mf;ff; NfhLfis
tiujy;
Jz;lf; NfhLfs; njhpahj> kiwe;jtw;wpd; tpspk;Gfisf;
Fwpg;gjw;F
kj;jpa Nfhl;il my;yJ rkr;rPh;
jd;ikiaf; fhl;Ltjw;F
,U EdpfspYk; jbj;j ntl;lg;gl ClWf;f Ntz;ba,lj;jpid
NfhL Fwpg;gjw;F
nky;ypa njhlH; ntl;L Kfq;fisf; fhl;Ltjw;F
xOq;fw;w NfhL
njhopEl;g tiujypd; NghJ ftdk; nrYj;jg;gl Ntz;ba tplaq;fs;njhopEl;g tiujypd; NghJ ftdk; nrYj;jg;gl Ntz;ba tplaq;fs;njhopEl;g tiujypd; NghJ ftdk; nrYj;jg;gl Ntz;ba tplaq;fs;njhopEl;g tiujypd; NghJ ftdk; nrYj;jg;gl Ntz;ba tplaq;fs;njhopEl;g tiujypd; NghJ ftdk; nrYj;jg;gl Ntz;ba tplaq;fs;
• NfhLfs;> tl;lq;fs;> Kf;Nfhzpfs;> ehw;gf;fy;fs; cs;slf;fg;gl;l Mf;fq;fis
tiuAk; NghJ Mf;ff; NfhLfis 2H ngd;rpyhYk; tiue;J Kbe;jjd; gpd;du;
,wjp KbTf;NfhLfis 2B ngd;rpyhYk; tiujy; Vw;wJ.
• NfhLfs; tiujypd; NghJ ngd;rpy; Kidia Row;Wtjd; %yk; xNu jbg;Gila
NfhLfis tiue;J nfhs;sf;$bajhf ,Uf;Fk;.
• epak rl;lfj;ij 2B ngd;rpyhy; tiujy; cfe;jJ.
• tl;lq;fs; tiutjw;F Kd; ftuhaj;jpd; Kidfs; ,uz;ilAk; xNu ePsj;jpw;F
nrg;gk; nra;J nfhs;sy; Ntz;Lk;.
• gy;NtW Nfj;jpu fzpj cUtq;fs; tiuAk; NghJ me;j cUtq;fs;
cs;slf;fg;gl;Ls;s Nfj;jpu fzpj ,ay;Gfis ,dq;fz;L gbKiwf;F Vw;wthW
Mf;ff; NfhLfs; tiuag;gly; Ntz;Lk;.
c-k; fPOs;s cUtq;fspy; tyg;gf;f %iyapy; cs;s cUtj;ij tiuNthk;.
123
841
1. tl;lj;ijg; ngupjhf tiuaTk;. ikaj;jpd; Clhf xd;wpw;nfhd;W
nrq;Fj;jhFkhW tpl;lq;fs; ,uz;il tiuf. tl;lk; ntl;lgg;l;l Gs;spfis
,izj;J rJuk; xd;iw tiuf.
2. rJuj;jpd; xU gf;fj;jpw;F rkhe;jukhf ikaj;jpypUe;J xU NfhL tiuf.
me;jf;NfhL tl;lj;jpd; gupjpiaAk; rJuj;jpd; gf;fj;ijAk; ntl;Lk;
Gs;spfSf;F rup kj;jpapy; rJuj;jpd; gf;fj;jpw;F rkhe;jukhd
Nfhnlhd;iw tiuf.
3. ,f;Nfhl;bypUe;J KjyhtJ rJuj;jpd; %iy tpl;lf; NfhLfs; ntl;Lk;
Gs;spf;fpilapyhd Juj;ij xU gf;f ePskhff;nfhz;L KjyhtJ rJuj;ij
cs;slf;fpa ngupa rJuk; xd;iw tiuf.
4. ngupa rJuj;jpd; gf;fq;fisj; njhLk; tl;lj;ij tiue;J mikg;Gf;
NfhLfis G+uzg;gLj;Jf.
5. Njitaw;w mikg;Gf; NfhLfis mopf;f.
$k;G$k;G$k;G$k;G$k;G
• epiyf;Fj;Jf; NfhL AB Ak; rha;Tf;NfhL CD Ak; xd;iwnahd;W ntl;LkhW
njhLf;fg;gl;Ls;s NghJ AB Neu; Nfhl;bd; topNa Neu;NfhL CD Roy;tjd;
%yk; Njhd;WtJ $k;G MFk;.
• $k;ig gy;NtW ntl;Lk; jsq;fspd; Clhf (epiyf;Fj;jhf> fpilahf> rha;thf)
,il ntl;Lk; NghJ jsj;jpd; Nky; gy;NtW tisT cUtq;fisf; fhz
KbAk;.
• $k;gpd; kj;jpa mr;rpd; topNa tisNkw;gug;ig Kw;whf ,ilntl;Lk; NghJ
fpilf;Fk; js tiuG ePs;tisakhFk;.
A
B
C
D
1234567890123456789012345678901234567890123456789012345678901234567890
124
ePs;tisak; (ePs;tisak; (ePs;tisak; (ePs;tisak; (ePs;tisak; ( Ellipse )
tl;lj;jpw;F xU ikak; ,Ug;gijg; Nghd;W ePs; tisaj;jpw;F ,uz;L
Ftpaq;fs; fhzg;gLfpd;wd.
• ePs; tisaj;jpd; mfykhd ,lj;ijj; njhLf;Fk; NfhL Ngup mr;R vdTk;
fl;ilahd ,lj;ijj; njhLf;Fk; NfhL rPwp mr;R vdTk; miof;fg;gLk;.
• Ngup mr;rpd; ePsj;jpd; miug; gFjpia ftuhaj;jpy; vLj;J mij rPwp mr;rpd;
xU Edpia ikakhff;nfhz;L Ngup mr;ir ,uz;L ,lq;fspy; ntl;Lk; NghJ
Ftpar; Nrhbfs; fpilf;Fk;.
• ,uz;L mr;Rf;fspd; ePsq;fs; my;yJ Xu; mr;rpDila Ftpaq;fspd; mikTk;
jug;gl;Ls;s NghJ ePs;tisaj;ij tiuaf;$ba Kiw fPNo jug;gl;Ls;sJ.
• rhjhuzf; ftuhaj;jpdhy; ePs;tisaj;ij tiuaKbahJ. ngwg;gl;l gy Gs;spfis
RahjPdkhf ifapdhy; ,izg;gjd; %yk; my;yJ nghwpKiw Kiwapd; %yNk
ePs;tisaq;fis tiua KbAk;.
• xU Fwpg;gpl;l Gs;spapypUe;J nrYj;jypahfj; njupT nra;ag;gl;l Neu;Nfhl;bw;Fs;s
fpl;ba Juk; Ftpaj;jpypUe;J mg;Gs;spf;Fs;s Juj;jpYk; mjpfkhFkhW khwh
tpfpjj;Jld; ,aq;Fk; Gs;spapd; xOf;F ePs;tiskhFk;.
,ilntl;Lk; Gs;spfs;,ilntl;Lk; Gs;spfs;,ilntl;Lk; Gs;spfs;,ilntl;Lk; Gs;spfs;,ilntl;Lk; Gs;spfs;
• jug;gl;l Ngup mr;ir tiue;J mij AB vdg; ngaupLf.
• AB vDk; Neu;Nfhl;bd; nrq;Fj;J ,U rk ntl;bia tiue;J mjd; rPwp
mr;rpd;; ePsj;jpd; ghjpia ,U gf;fkhff; Fwpj;J CD vdg; ngapupLf.
• Ngup mr;Rk; rPwp mr;Rk; xd;iwnahd;W ,ilntl;Lk; ,lj;ij O vdf;
Fwpf;f.
• Ngup mr;rpd; ghjp ePsj;ij Miuahff; ftuhaj;jpy; ngw;W C my;yJ D ia
ikakhff; nfhz;L Ngup mr;ir ,uz;L ,lq;fspy; ntl;LkhW mg;Gs;spfis
F1,F
2 vdg; ngaupLf. mg;Gs;spfs; ePs; tisaj;jpd; Ftpaq;fs; vd
miof;fg;gLk;.
• F , O vd;gtw;wpw;fpilNa 1>2>3..... vd Ntz;ba vz;zpf;ifAila Gs;spfis
milahskpLf. A apypUe;J 1 tiuAs;s Juj;ij ftuhaj;jpy; ngw;W F1,F
2
vd;gtw;iw ikakhfTk; nfhz;L AB apd; ,U gf;fkhfTk; ehd;F tpw;fs;
tiuf.
• mjd; gpd; 1 ,ypUe;J B tiuAs;s Juj;ij Miuahff; nfhz;Lk;
F1,F
2 I ikakhff; nfhz;Lk; Kd;G tiue;j tpw;fis ntl;Lf.
• ,Nj Nghd;W A apypUe;J 2 tiuAs;s Juj;ijAk; > 2 ,ypUe;J tiuahd
Juj;ijAk; vd;wthW F1,F
2 I ikaq;fshff; nfhz;L tpw;fis
AB = Ngur;R
F1F
2 = Ftpaq;fs;- focus
CD = rPwpar;R
C
F1 F
2
D
BA
125
F1
F2
A B
C
D
O
ntl;Ltjd; %yk; vQ;rpAs;s Gs;spfisg; ngw;Wf;nfhs;f.
,t;thW ngw;Wf;nfhz;l gs;spfs; A,B,C,D Gs;spfis RahjPdkhf ifapdhy;
xOq;fhf ,ize;J ePs;tisaj;ij tiuf.
tl;l Kiwtl;l Kiwtl;l Kiwtl;l Kiwtl;l Kiw
• Ngup mr;R AB iaAk; mjd; nrq;Fj;J ,U rk ntl;biaak;
tiuf. ,uz;L NfhLfspdJk; ,ilntl;Lg; Gs;spia O vdf; Fwpf;f.
• rPwp mr;rpd; ePsj;jpd; ghjp tPjk; nrq;Fj;J ,U rk ntl;bapd; O
,ypUe;J ,U gf;fkhfTk; milahskpl;L mg;Gs;spfis C,D vdf;
Fwpf;f.
• OA ia MiuahfTk; O it ikakhfTk; nfhz;L tl;lk; xd;iw
tiuf. mNj Nghd;W OC ia MiuahfTk; O it ikakhfTk;
nfhz;L kw;nwhU tl;lk; tiuf.
• ,uz;L tl;lq;fSk; xd;whf ntl;lg;gLkhW ikaj;jpd; Clhf
NfhLfs; tiutjd; %yk; tl;lj;ij rkkhd
gFjpfshf;Ff.(cjhuzk;8> 12> 16)
• rkgFjp 12 Mfg; gpupf;Fk;NghJ tl;lj;j;pd; Miuiaf; ftuhaj;jpy;
ngw;W tl;lk; ntl;lg;gLk; 4 Gs;spfisAk; ikakhff;nfhz;L
tl;lj;jpd; gupjp ntl;lg;gLkhW tpy;yikj;J tl;lj;jpd; 12 rk
gFjpfisAk; Fwpj;Jf;nfhs;f.
• mg;Gs;spfis ikaj;jpd; Clhf ,izg;gjd; %yk; ,uz;L
tl;lq;fSk; ntl;lg;gLkhW NfhLfs; tiue;Jnfhs;f.ngupa tl;lk;
ntl;lg;gl;l Gs;spfspd; Clhf CD apw;F rkhe;ju NfhLfs; tiuf.
• rpwpa tl;lk; ntl;lg;gl;l Gs;spfspd; Clhf AB ,w;F rkhe;juf;
NfhLfs; tiuf. rkhe;juf; NfhLfs; ntl;lg;gl;Ls;s 8 Gs;spfisAk;
A,B,C,D Gs;spfisAk; RahjPdkhf ifapdhy; xOq;fhf ,izj;J
ePs;tisaj;ijg; G+uzg;gLj;jpf;nfhs;f.
A B
C
D
126
QP
BAO
RD
C
S
nrt;tf Kiw - ,ilntl;Lf;NfhL Kiw
• Ngup mr;R AB iaAk; mjd; nrq;Fj;j ,U rk ntl;biaAk; tiue;J ,uz;L
NfhLfSk; ntl;Lk; ,lj;ij O vdf; Fwpf;f.
• rPwp mr;rpd; ePsj;jpd; ghjp tPjk; nrq;Fj;J ,U ntl;bapy; O ,ypUe;J ,U
gf;fkhfTk; milahsg;gLj;jp mg;Gs;spfis CD vdf; Fwpf;f.
• A,B,C,D vDk; Gs;spfspd; Clhfr; nry;Yk; nrt;tfj;ij tiuf.
• gf;fk; AO I 4 rk gFjpfshf my;yJ tpUg;gkhd msTf;Fg; gpupj;Jf; nfhs;f.
(NfhLfs; rkkhd msT nfhz;ljhf fPNo glj;jpy; fhl;lg;gl;Ls;sJ.) mtw;iw
1>2............vd ,yf;fkpLf.
• gf;fk; PA iaAk; mNj msT gpupTfshfg; gpupf;f. mtw;wiAk; ,yf;fkpLf.
• PA apd; Nky; Fwpj;j Gs;spfis C Ald; njhLf;f.
D apypUe;J AO ,d; Nky; ,yf;fkpl;l gpupg;Gg; Gspsfspd; Clhfr; nry;Yk;
NfhLfis mikf;;f
• ,yf;f xOq;fpy; D apypUe;Jk; C apypUe;Jk; tiuag;gl;l NfhLfspd; ntl;Lg;
Gs;spfis Fwpf;f. ,t;thNw PQRS ePs; rJuj;jpd; kPjpahfTs;s gf;fq;fisAk;
G+uzg;gLj;Jf.
• Fwpg;gpl;l Gs;spfis xg;gkhf RahjPd ifapdhy; (cgfuzq;fspd;wp ,izj;J
ePs;tisaj;ijg; G+uzg;gLj;Jf.
Neu;Nfhnlhd;iw rkkhd gFjpfshfg; gpupj;jy;Neu;Nfhnlhd;iw rkkhd gFjpfshfg; gpupj;jy;Neu;Nfhnlhd;iw rkkhd gFjpfshfg; gpupj;jy;Neu;Nfhnlhd;iw rkkhd gFjpfshfg; gpupj;jy;Neu;Nfhnlhd;iw rkkhd gFjpfshfg; gpupj;jy;
( 40mm ePskhd Nfhl;il 3 rk gq;Fshfg; gpupj;jy;)
• 40mm ePskhd AB vDk; Nfhl;il tiuf.
• A apypUe;J tpUg;gkhd FWq;Nfhzk; xd;iwg; nWtjw;F AC vDk;
mbf;Nfhl;il tiuf.
• ftuhaj;jpd; cjtpAld; A apypUe;J AC Nfhl;by; 3 rkkhd gFjpfisf;
Fwpj;J mtw;iw 1>2>3 vd ,yf;fkpLf.
• 3 IAk; B iaAk; ,izj;J mjw;F rkhe;jukhf 2>1 vd;gtw;wpd; Clhf
rkhe;juf; NfhLfs; tiutjd; %yk; AB vDk; Nfhl;il %d;W rk gq;Ffshfg;
gpupf;f. ,q;F rkhe;juf; NfhL tiutjw;F jPu;khd %iy kl;lj;ijAk; tiu
NfhiyAk; gad;gLj;j KbAk;. 3 IAk; B IAk; jPu;khd %iy kl;lj;jpd;
Vw;wkw;iwa tiuNfhypd; tpspk;gpd; Nky; itf;f. tiuNfhypd; tpspk;gpd;
Nky; jPu;khd %iy kl;lj;ij tOf;fr; nra;J 2>1 ,d; clhf rkhe;juf;
NfhLfs; tiuaTk;.
127
A
B
C3
2
1
;;
,t;thW ve;jnthU Neu;Nfhl;ilAk; Njitahd vz;zpf;ifAila rk
gpupTfshfg; gpupj;Jf; nfhs;syhk;.
3:4:5 vDk; tpfpjj;jpy; Neu;Nfhnlhd;iwg; gpupf;Fk; NghJ 3+4+5=12 mbf;Nfhl;by;
12 gFjpfis milahskpl;L ,WjpapypUe;J 5 gFjpfis KjypYk; mjw;fLj;J
NkYk; 4 gFjpfisAk; khj;jpuk; rkhe;juf; NfhLfshf tiue;J Njitahd Nfhl;Lj;
njhFjpfisg; ngw;Wf; nfhs;sTk;.
Nfhzq;fs; Nfhzq;fs; Nfhzq;fs; Nfhzq;fs; Nfhzq;fs; Angles
njhopEl;g tiujypd; NghJ gad;gLj;jg;gLk; Nfhz tiffs; fPNo
jug;gl;Ls;sd.
1. $u;q;Nfhzk; (0o - 90o )
2. nrq;Nfhzk; (90o )
3. tpupNfhzk; (90o - 180o )
4. Neu;Nfhzk; (180o )
5. gpd;tisNfhzk; (180o - 360o )
%iy kl;lj;ijg; gad;gLj;jp tiuaf;$ba Nfhzq;fs;
30o , 45o , 60o , 180o
%iy kl;lr; Nrhbiag; gad;gLj;jp tiuaf;$ba Nfhzq;fs;
15,o 75o , 105o , 120o 135o , 150o ,
%iy kl;lj;ijAk; ftuhaj;ijAk; gad;gLj;jp tiuaf;$ba Nfhzq;fs;
128
jug;gl;Ls;s Nfhznkhd;iwg; gpujpgz;zy;jug;gl;Ls;s Nfhznkhd;iwg; gpujpgz;zy;jug;gl;Ls;s Nfhznkhd;iwg; gpujpgz;zy;jug;gl;Ls;s Nfhznkhd;iwg; gpujpgz;zy;jug;gl;Ls;s Nfhznkhd;iwg; gpujpgz;zy;
♦ ,uz;L Neu;NfhLfs; xd;iwnahd;W ntl;lf;$bathW tpUg;gkhd
Nfhznkhd;iw tiuf. mjw;F ABC vdg; ngaupLf.
(mJ jug;gl;Ls;s Nfhzk; vd epidf;f)
♦ B1,C
1, vDk; Neu;Nfhl;il tiuf.
♦ tpUk;gpa xU Miuia ftuhaj;jpw;F vLj;J Bia ikakhf itj;J
Nfhzk; ABC ia tpy; xd;why; ntl;b ntl;lg;gl;l ,U Gs;spfisAk;
D,E vdg; ngaupLf.
♦ mt;thiuapdhNyNa B1 I ikakhff; nfhz;L B
1C
1 I ntl;br;
nry;yf;$bathW tpy; xd;iw tiue;J Nfhl;il ntl;ba ,lj;ij
E1 vdf;Fwpf;f.
♦ ED Juj;ij ftuhaj;jpy; vLj;J E1 I ikakhff; nfhz;L tpy;iy
ntl;b mg;Gs;spia D1 vdg; ngaupLf.
♦ B1D
1 I ,izj;J gpujp nra;j Nfhzj;ij G+uzg;gLj;Jf.
jug;gl;Ls;s Nfhzj;ij ,U$wply;jug;gl;Ls;s Nfhzj;ij ,U$wply;jug;gl;Ls;s Nfhzj;ij ,U$wply;jug;gl;Ls;s Nfhzj;ij ,U$wply;jug;gl;Ls;s Nfhzj;ij ,U$wply;
♦ ,U Neu; NfhLfs; xd;iw xd;W ntl;LkhW jug;gl;l Nfhzj;ij ePu;
tpUk;gpathW tiue;J mjw;F ABC vdg; ngaupLf.
♦ B ia ikakhff; nfhz;L gf;fq;fs; AB, BC vd;gtw;iw ntl;br;
nry;yf;$bathW tpy; xd;iw tiuf.
♦ ntl;lg;gl;l Gs;spfis P,Q vdg; ngaupLf.
♦ PQ ,d; ePsj;ij tpl $ba ePsnkhd;iw Miuahff; ftuhaj;jpw;F
vLj;J P,Q vd;gtw;iw ikakhff; nfhz;L ,U tpw;fis R
ntl;lf;$bathW tiuf.
♦ R,B I ,izf;f.
Kf;Nfhzpnahd;wpd; gf;fq;fisj; njhl;Lr;nry;yf;$bathWKf;Nfhzpnahd;wpd; gf;fq;fisj; njhl;Lr;nry;yf;$bathWKf;Nfhzpnahd;wpd; gf;fq;fisj; njhl;Lr;nry;yf;$bathWKf;Nfhzpnahd;wpd; gf;fq;fisj; njhl;Lr;nry;yf;$bathWKf;Nfhzpnahd;wpd; gf;fq;fisj; njhl;Lr;nry;yf;$bathW
tl;lnkhd;iw tiujy; tl;lnkhd;iw tiujy; tl;lnkhd;iw tiujy; tl;lnkhd;iw tiujy; tl;lnkhd;iw tiujy;
♦ Kf;Nfhzpapd; VjhtJ ,U Nfhzq;fis ,U $wpLf. ntl;Lk;
Gs;spia ikakhff; nfhz;L gf;fnkhd;iw ntl;br;nry;YkhW tpy;
xd;iw tiuf.
♦ mt;tpy;iy ,U$wpl;L ngwg;gLk; Gs;sp tiuf;Fk; ikaj;jpypUe;J
NfhL xd;iw tiue;J gf;fj;jpw;F nrq;Fj;J xd;iw tiuf.
♦ nrq;Fj;jpd; ePsj;ij Miuahff; nfhz;L ikaj;jpypUe;J
tl;lnkhd;iw tiuf.
129
Kf;Nfhzpnahd;wpd; cr;rpfisj; njhl;Lr; nry;Yk; Kf;Nfhzpnahd;wpd; cr;rpfisj; njhl;Lr; nry;Yk; Kf;Nfhzpnahd;wpd; cr;rpfisj; njhl;Lr; nry;Yk; Kf;Nfhzpnahd;wpd; cr;rpfisj; njhl;Lr; nry;Yk; Kf;Nfhzpnahd;wpd; cr;rpfisj; njhl;Lr; nry;Yk;
tl;lj;ij tiujy; tl;lj;ij tiujy; tl;lj;ij tiujy; tl;lj;ij tiujy; tl;lj;ij tiujy;
♦ jug;gl;l Kf;Nfhzpapd; VjhtJ ,U gf;fq;fspd; nrq;Fj;J ,U
$whf;fpia
xd;iw xd;W ntl;lf;$bathW tiue;J mg;Gs;spia P vdg; ngaupLf.
♦ Pia ikakhfTk; P apypUe;J Kf;Nfhzpapd; VjhtJ xU cr;rpf;F
cs;s Juj;ij MiuahfTk; nfhz;L tl;lnkhd;iw tiuf.
xOq;fhd (rkgf;f) gy;NfhzpxOq;fhd (rkgf;f) gy;NfhzpxOq;fhd (rkgf;f) gy;NfhzpxOq;fhd (rkgf;f) gy;NfhzpxOq;fhd (rkgf;f) gy;Nfhzp
♦ gf;fq;fspd; ePsKk; Nfhzq;fspd; ngWkhdKk; rkdhf cs;s
gy;Nfhzpfs>xOq;fhd (rkgf;f) gy;Nfhzp vdg;gLk;.
jug;gl;Ls;s tl;lj;jpDs;Ns xOq;fhd (rkgf;f) gy;Nfhzpnahd;iw tiujy;jug;gl;Ls;s tl;lj;jpDs;Ns xOq;fhd (rkgf;f) gy;Nfhzpnahd;iw tiujy;jug;gl;Ls;s tl;lj;jpDs;Ns xOq;fhd (rkgf;f) gy;Nfhzpnahd;iw tiujy;jug;gl;Ls;s tl;lj;jpDs;Ns xOq;fhd (rkgf;f) gy;Nfhzpnahd;iw tiujy;jug;gl;Ls;s tl;lj;jpDs;Ns xOq;fhd (rkgf;f) gy;Nfhzpnahd;iw tiujy;
♦ jug;gl;l Miuia my;yJ tpl;lj;ijAila tl;lj;ij tiuf.
♦ tpl;lj;ij tiue;J mjw;F AB vdg; ngaupLf.
♦ tiua Ntz;ba gy;Nfhzpapd; gf;fq;fspd; vz;zpf;iff;F Vw;g AB
ia rkgFjpfshfg; gpupj;Jf; nfhs;f. (,jw;F Jizf; NfhL xd;iw
tiue;J mjpy; Njitahd msT gFjpfisf; Fwpj;J ,Wjpapy;
cs;s Gs;spia ,izj;J mjw;F rkhe;jukhf NfhL tiuf. ,jw;fhf
Kd;du; NfhL xd;iw rkkhd gFjpfshfg; gpupf;Fk; Kiwiag;
gad;gLj;Jf.)
♦ tpl;lj;ij Miuahff; nfhz;L A,B vd;gtw;iw ikakhff; nfhz;L
tl;lj;jpw;F ntspNa tpw;fs; xd;iw xd;W ntl;lf;$bathW tiue;J
mg;Gs;spia D vdg; ngaupLf.
♦ AB apYs;s ,uz;lhtJ Gs;spiaAk; D iaAk; Neu;Nfhl;bdhy;
,izj;J tl;lj;ij ntl;br; nry;YkhW ePl;Lf. mg;Gs;spia E
vdg; ngaupLf.
♦ AE ia ,izj;J mj;Juj;ij ftuhaj;jpwF vLj;J tl;lj;jpy;
xOq;fhd gy;Nfhzpapd; Vida gf;fq;fis tiuf.
♦ xOq;fhd Iq;Nfhzp xd;iw tiuAk; Kiw fPNo fhl;lg;gl;Ls;sJ.
♦ ,jw;Nfw;;wthW vj;jid gf;fq;fis nfhz;l gy;Nfhzpia MapDk;
tiue;J nfhs;s KbAk;. Njitahd gf;f vz;zpf;iff;F rkkhf
tpl;lj;ij gphpj;J vg;NghJk; tpl;lj;jpd; ,uz;lhtJ Gs;spapDlhf
P
130
B
A
1
2
5
khj;jpuk; xU Nfhl;il tiue;J gy;Nfhzpapd; xUgf;f ePsj;ij
ngw;Wf; nfhs;tjw;F kwf;f Ntz;lhk;. ,q;F ,uz;lhk; Gs;sp
vdf;Fwpg;gplg;gLtJ Jizf; Nfhl;bd; ,uz;lhtJ Gs;spad;wp
tpl;lj;jpd; ,uz;lhtJ Gs;spNa vd ftdj;jpw; nfhs;f.
NkYk; ehw;gf;fy;> mWNfhzp vd;gtw;iw ,yFthf ftuhaj;ij
gad;gLj;jp tiua KbAk; vd;gijAk; ftdj;jpw;nfhs;f.
gf;fj;jpd; ePsKk; gf;fq;fspd; vz;zpf;ifAk; jug;gl;Ls;s xOq;fhdgf;fj;jpd; ePsKk; gf;fq;fspd; vz;zpf;ifAk; jug;gl;Ls;s xOq;fhdgf;fj;jpd; ePsKk; gf;fq;fspd; vz;zpf;ifAk; jug;gl;Ls;s xOq;fhdgf;fj;jpd; ePsKk; gf;fq;fspd; vz;zpf;ifAk; jug;gl;Ls;s xOq;fhdgf;fj;jpd; ePsKk; gf;fq;fspd; vz;zpf;ifAk; jug;gl;Ls;s xOq;fhd
gy;Nfhzpia tiujy; gy;Nfhzpia tiujy; gy;Nfhzpia tiujy; gy;Nfhzpia tiujy; gy;Nfhzpia tiujy;
♦ Fwpg;gpl;l Juj;ijAila gf;fj;ij tiue;J mjw;F A,B vdg; ngaupLf.
mf;Nfhl;bd; nrq;Fj;J ,U$whf;fpia tiue;J AB ia ntl;Lk;
Gs;spia C vdg; ngaupLf.
♦ C ia ikakhfTk; AC ia MiuahfTk; nfhz;L Capy;
tiuag;gl;Ls;s nrq;Fj;ij ntl;lf;$bathW tpy; xd;iw tiue;J
mg;Gs;spf;F 4 vdg; ngaupLf.
♦ mNj Nghy B ia ikakhfTk; AB ia MiuahfTk; nfhz;L C
ap;y; tiuag;gl;l mNj nrq;Fj;ij ntl;lf;$bathW tpy; xd;iw
tiue;J mg;Gs;spia 6 vdg; ngaupLf.
♦ 6 ,w;Fk; 4 ,w;Fk; ,ilg;gl;l Juj;ij ,U $wpl;L mjw;F 5 vdg;
ngaupLf.
♦ 5 ,w;Fk; 6 ,w;Fk; ,ilg;gl;l Juj;ij ftuhaj;jpy;; vLj;J 6 ,w;F
NkYs;s Gs;sp 7 ,idg; ngWf.
♦ ,g;NghJ ckf;F ehw;gf;fy;> Iq;Nfhzp> mWNfhzp> VONfhzp
vd;gtw;wpd; kj;jpa Gs;spfs; 4 fpilj;Js;sd.
♦ xOq;fhd VONfhzp Njit vdpd; 7 ,ypUe;J A apw;F cs;s
Juj;ij Miuahff; nfhz;L 7 I ikakhf itj;J tl;lnkhd;iw
tiuf.
♦ ABia Miuahff; nfhz;L tl;lj;jpd; topNa ftuhaj;jpdhy; Vida
Gs;spfisf; Fwpj;J vy;yhg; Gs;spfisAk; ,izg;gjd; %yk;
vONfhzpiag; ngw KbAk;.
♦ ,Nj Nghd;W 4> 5> 6 vd;gtw;iw ikakhff; nfhz;l rJuk;> xOq;fhd
131
.
4
6
Iq;Nfhzp> mWNfhzp vd;gtw;iwAk; tiue;j nfhs;s KbAk;.
mj;NjhL Gs;sp 7Ig; ngw;wJ Nghy; Gs;sp 8> 9 ,Yk; xOq;fhd
gy;Nfhzpfis mikj;Jf;nfhs;s KbAk; vdpDk; jpUj;jkhd
mstPLfs; gbg;gbahff; Fiwe;J nfhz;L Nghfyhk;.
ftdpf;f Ntz;baJ:ftdpf;f Ntz;baJ:ftdpf;f Ntz;baJ:ftdpf;f Ntz;baJ:ftdpf;f Ntz;baJ:
♦ ,J jtpu gf;fk; jug;gl;Ls;s xOq;fhd Iq;Nfhzp kw;Wk; mWNfhzp
vd;gtw;iw tiuaf;$ba NtWk; tpN~lkhd KiwfSk;
gad;gLj;jg;gLfpd;wd
tpN~lkhd Kiwnahd;wpd; %yk; tiuag;gl;l xOq;fhd Iq;Nfhzpnahd;W
fPNo fhl;lg;gl;L;ssJ.
tl;lq;fSk; njhlypfSk;tl;lq;fSk; njhlypfSk;tl;lq;fSk; njhlypfSk;tl;lq;fSk; njhlypfSk;tl;lq;fSk; njhlypfSk;
rkkhd ,U tl;lq;fSf;F nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F nghJj; njhlyp tiujy;
( 30mm MiuiaAila ,U tl;lq;fspd; ikaq;fSf;fpilNaAs;s
Juk; 80mm Mf ,Uf;Fk; NghJ)
♦ Neu;Nfhnlhd;iw tiue;J mjpy; 80 mm Juj;jpy; A,B vDk; Gs;spfisf;
Fwpj;J cupa ,U tl;lq;fis tiuf.
♦ A,B vd;Dk; Gs;spfspy; ,U nrq;Fj;Jf; NfhLfis tiue;J C,D vDk;
Gs;spfspy; gupjpfis ntl;br; nry;YkhW ePl;Lf.
♦ CD ia ,izj;J njhlypiag; ngWf.
132
tl;lj;jpw;F ntspNaAs;s Gs;sptl;lj;jpw;F ntspNaAs;s Gs;sptl;lj;jpw;F ntspNaAs;s Gs;sptl;lj;jpw;F ntspNaAs;s Gs;sptl;lj;jpw;F ntspNaAs;s Gs;sp P apypUe;J njhlyp tiujy; apypUe;J njhlyp tiujy; apypUe;J njhlyp tiujy; apypUe;J njhlyp tiujy; apypUe;J njhlyp tiujy;
(tl;lj;jpd; Miu 30 mm MfTk; mjd; ikaj;jpypUe;J 50 mJuj;jpy;P
,Uf;Fk; NghJ)
♦ 30 mm MiuiaAila tl;lnkhd;iw tiuf. mjd; ikaj;ij A
vdf; Fwpf;f. A apypUe;J Neu; NfhL xd;iw tiue;J 70 mm
Juj;jpy; Gs;sp Pia Fwpf;f.
♦ AP ia ,Urk $wpl;L mg;Gs;spia B vdf; Fwpf;f.
♦ BA ia MiuahfTk; B ia ikakhfTk; itj;J miu tl;lnkhd;iw
Kjy; tl;lj;ij ntl;Lk;gb tiuf. ntl;lg;gl;l ,lj;ij C vdf;
Fwpf;f.
♦ CP ia ,izj;J njhlypiag; ngWf. Njitnadpd; tl;lj;jpd;
kWgFjpiaAk; ntl;lf;$bathW miutl;lj;ij tiue;J ,d;DnkhU
njhlypiaAk; tiue;J nfhs;s KbAk;.
PBA
C
A B
DC
133
A B
CP
D
D
rkkhd ,U tl;lq;fSf;F FWf;Fg; nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F FWf;Fg; nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F FWf;Fg; nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F FWf;Fg; nghJj; njhlyp tiujy;rkkhd ,U tl;lq;fSf;F FWf;Fg; nghJj; njhlyp tiujy;
(tl;lq;fspd; Miu 30 mm MfTk; ikaq;fSf;F ,ilapyhd
Juk; 80 mm Mf ,Uf;Fk; NghJ)
♦ Neu;NfhL xd;iw tiue;J mjpy; ikaq;fSf;fpilapyhd Juk; 80mm
MFkhW 30 mm MiuiaAila ,U tl;lq;fis tiue;J
ikaq;fSf;F A,B vdg; ngaupLf.
♦ ikaq;fSf;fpilNa my;yJ tl;lq;fs; ,uz;bw;Fupa Juj;;;ij
,U$wpLf. mg;Gs;spia P vdg; ngaupLf.
♦ P,A apw;fpilNaAs;s Juj;ij ,U rk $wpl;L mg;Gs;spia C
vdf; Fwpf;f.
♦ C ia ikakhfTk; CA ia MiuahfTk; nfhz;L tl;lj;ij ntl;lf;
$bathW miu tl;lk; xd;iw tiuf. ntl;Lk;Gs;spia D vdf;
Fwpj;J DP ia ,izf;f.(,q;F ehk; tl;lj;jpw;F ntspNaAs;s
Gs;spapy; ,Ue;J njhlyp tiuAk; Kiwiaj; jhd; gad;gLj;jpAs;Nshk;
vd;gJ njspthfpd;wJ. ,k;Kiw gpd;dUk; gad;gLj;jg;gLk;.)
rkdw;w ,U tl;lq;fisj; njhLk; tl;lnkhd;iw tiujyrkdw;w ,U tl;lq;fisj; njhLk; tl;lnkhd;iw tiujyrkdw;w ,U tl;lq;fisj; njhLk; tl;lnkhd;iw tiujyrkdw;w ,U tl;lq;fisj; njhLk; tl;lnkhd;iw tiujyrkdw;w ,U tl;lq;fisj; njhLk; tl;lnkhd;iw tiujy;
( AB f; fpilapyhd Juk; 65 mm MfTs;s 20 mm 30 mm MiufisAila
tl;lq;fs; ,uz;ilAk; 35 mm MiuiaAila ,U tl;lq;fspd; ,U gf;fKk;
njhLk; NghJ)
♦♦♦♦♦ cupa tl;lq;fs; ,uz;ilAk; tiuf. ikag; Gs;spfis A,B vdg;
ngaupLf
♦♦♦♦♦ Aia ikakhff; nfhz;l tpl;lj;jij njhLfpd;w tl;lj;jpd; Miuf;F
35 mm I Nru;f;Fk; NghJ fpilf;Fk; Miu 55 mm I ftuhaj;jpw;F
vLj;J A ia ikakhf itj;J tl;lk; A apw;F ,U gf;fKk; ,U
tpw;fis tiuf.
♦♦♦♦♦ tl;lk; B apd; Miu + njhLfpd;w tl;lj;jpd; Miu (30 mm + 35 mm
= 65 mm)ia ftuhaj;jpw;F vLj;J B ia ikakhf itj;J ,U
gf;fKk; Kd;du; tiue;j tpw;fis ntl;Lk;gb ,U tpw;fis tiuf.
ntl;Lk; Gs;spfis C,D vdg; ngaupLf.
♦♦♦♦♦ C iaAk; D iaAk; ikakhf itj;J jug;gl;Ls;s 35 mm
134
MiuiaAila tl;lq;fs; ,uz;ilAk; tiuAk; NghJ mit A,B
tpl;lq;fisj; njhLk;.
njhlypiaAila gUkl;lhd glj;ij msTj;jpl;lg;gb tiujy;njhlypiaAila gUkl;lhd glj;ij msTj;jpl;lg;gb tiujy;njhlypiaAila gUkl;lhd glj;ij msTj;jpl;lg;gb tiujy;njhlypiaAila gUkl;lhd glj;ij msTj;jpl;lg;gb tiujy;njhlypiaAila gUkl;lhd glj;ij msTj;jpl;lg;gb tiujy;
jug;gl;l khjpupAU ,Jntdf; fUJNthk;.
♦ Kjypy; mr;Rf;Nfhl;il tiue;J Fwpg;gpl;l Juj;jpy; nrt;tfk;
xd;iwAk; miu tl;lk; xd;iwAk; tiuf.
♦ mr;Rf;Nfhl;bw;F ,U gf;fKk; rkhe;juf;NfhLfs; ,uz;il tiue;J
nfhs;f.
♦ miutl;lj;jpd; kWgf;fj;jYs;s tpy;ypd; ikag;Gs;spiaf; fz;L
gpbg;gjw;F tpy;ypd; ,U KidfisAk; kj;jpapy; cs;s
Gs;spiaAk; gad;gLj;Jf.(AB my;yJ AC apw;F nrq;Fj;J
,U $whf;fpia tiue;J mJ mr;ir ntl;Lk; tiu ePl;b
mt;tpy;ypd; ikag;Gs;spiag; ngw;Wf; nfhs;f.)
♦ miutl;lj;jpd; ikag;Gs;spapypUe;J (30 + 30 = 60 mm) I Miu
ahfg; ngw;Wtl;lj;jpd; ikaj;jpypUe;J ,uz;L gf;fkhfTk; ,uz;L
tpw;fis tiuf.
A B
C
D
Α
801515
4
410
30
30
44 6
P
Q
C
A
30
135
♦ kj;jpa mr;rpypUe;J 33 mm Juj;jpy; mr;rpw;F ,uz;L rkhe;juf;
NfhLfs; tiue;J me;j tpw;fis ntl;b mg;Gs;spfis D,E vdf;
Fwpf;f.
♦ D,E vd;gtw;iw ikakhff; nfhz;L 30 mm Miuahff; nfhz;L
miu tl;lj;ijj; njhLkhW ,uz;L tpw;fs; tiuf.
♦ mNj Nghd;W mr;rpd; ,U gf;fkhfTk; mr;rpypUe;J 13 mm
Juj;jpy; NkYk; ,uz;L rkhe;juf; NfhLfs; tiue;J
nrt;tfj;ij P,Q vd;gtw;iw cjtpahff; nfhz;L 10 mm
MiuAila tpw;fs; ,uz;ilAk; rkhe;juf; NfhLfs; ,uz;ilAk;
ntl;Lk; gb tiue;J mg;Gs;spfis L,M vdf;Fwpf;f.
♦ L,M vd;gtw;iw ikakhff; nfhz;L 10 mm Miuahfg; ngw;W
,uz;L tpw;fs; %yk; cUtj;ijg; G+uzg;gLj;Jf.
136
9.njhopDl;g nraw;ghLfSf;fhf Fiwflj;jp cg$Wfs; gad;gLj;jy;9.njhopDl;g nraw;ghLfSf;fhf Fiwflj;jp cg$Wfs; gad;gLj;jy;9.njhopDl;g nraw;ghLfSf;fhf Fiwflj;jp cg$Wfs; gad;gLj;jy;9.njhopDl;g nraw;ghLfSf;fhf Fiwflj;jp cg$Wfs; gad;gLj;jy;9.njhopDl;g nraw;ghLfSf;fhf Fiwflj;jp cg$Wfs; gad;gLj;jy;
8. Fiwflj;jp cg$Wfs;8. Fiwflj;jp cg$Wfs;8. Fiwflj;jp cg$Wfs;8. Fiwflj;jp cg$Wfs;8. Fiwflj;jp cg$Wfs;
Mth;jd ml;ltizapd; ehd;fhtJ $l;;l %yfq;fshd
N[HNkdpak; (Ge)> rpypf;fd; (Si ) Nghd;w %yfq;fs; Fiwflj;jpg; nghUl;fs;
vd miof;fg;gLfpd;wd. ,it flj;jpfSf;Fk;> flj;jpypfSf;Fk; ,ilapyhd
,ay;Gfisf; nfhz;Ls;sd. Fiwflj;jpfSf;F Mth;j;;jd ml;ltizapd;
%d;whk; $l;l %yfq;fis kpfr; rpwpa mstpy; fyg;glk; nra;tjd; %yk; p
tif Fiwflj;jpfs; Mf;fg;gLfpd;wd. Ie;jhk; $l;l %yfq;fSld; fyg;glk;
nra;tjd; %yk; n tif Fiwflj;jpfs; Mf;fg;gLfpd;wd. Fiwflj;jpg;
gspq;Ffs; xU gf;fk; p tif Fiwflj;jpahFkhWk;> kWgf;fk; n tif
Fiwflj;jpahFkhWk; fyg;glk; nra;ag;gLk; NghJ pn re;jp cs;slf;fg;gl;l
cg$W cw;gj;jpahf;fg;gLfpwJ. ,tw;Wf;F cjhuzkhf ,Uthapfs;>
jpuhd;rpw;wh;fs; Nghd;wtw;iw Fwpg;gplyhk;.
,Uthapapd; tpNrl ,ay;ghf fhzg;gLtJ Xl;lnkhd;iw xU
jpirapy; khj;jpuk; nrYj;JtjhFk;. ,UthapfSf;F ,uz;L Kidfs;
fhzg;gLtJld; p KidTld; njhLf;fg;gl;l gFjp mNdhl;lhfTk;> n KidTld;
njhLf;fg;gl;l gFjp fNjhl;lhfTk; ngahplg;gLfpwJ. nra;Kiw ,Uthapapd;
KidTfis ,dq;fz;L nfhs;tjw;fhf milahsk; ,lg;gl;Ls;sJ.
re;ijapy; fhzg;gLk; gy;NtW ,Uthapfspd; ntspj;Njhw;wk; NkNy
fhl;lg;gl;Ls;sthW mike;jhYk; Rw;Wf;fspy; gad;gLj;jg;gLk; FwpaPL
vd;wthW mikAk;.
NkYs;s glj;jpy; ,Uthapapd; mNdhl;L KidT Nthy;w;W toq;fpapd; NeH
KidTlDk;> fNjhl;L KidT kiwKidTlDk; njhLf;fg;gl;Ls;sJ.
,r;re;jHg;gj;jpy; kpd;Fkpo; xspUk;. mjhtJ ,Uthap Kd;Nfhly; epiyapy;
cs;sJ.
nts;sp epuy;
A K
A KA K
A K
cg$WfSf;fpilapyhd
njhlHG
FwpaPL gad;gLj;jpa
Rw;W
Rw;W i
A K
p n
Rw;W ii
137
,uz;lhk; Rw;wpd; %yk; Kjyhk; glj;jpw;F rhHghf ,Uthapapd; KidTfs;
khw;wp ,izf;fg;gl;Ls;s re;jHg;gk; fhl;lg;gl;Ls;sJ. mjhtJ ,Uthapapd;
mNdhl;L KidT Nthy;w;W toq;fpapd; NeH KidTld; njhLf;fg;gl;Ls;sJ.
,r;re;jHg;gj;jpy; kpd;Fkpo; xsputpy;iy. mjhtJ ,Uthap gpd;Kff; Nfhly;
epiyapy; cs;sJ. ,r;re;jHg;gj;jpy; pn re;jpapd; cl;jil kpfg;nghpjhFk;.
,jd; mbg;gilapy; ,Uthapapd; Clhf xU re;jHg;gj;jpy; khj;jpuk;
Xl;lk; gha;fpwJ ( Kd;Kff; Nfhly; re;jHg;gk; ) vd tpsq;FfpwJ. ,t;tpay;ig
gad;gLj;jp MlNyhl;l rPuhf;fYf;F ,Uthapfs; gad;gLj;jg;gLtNjhL mt;tif
ahd ,Uthapfs; rPuhf;fp ,Uthap vdTk; miof;fg;gLfpd;wd.
1 N 4001, 4002 , ....................4006 vd;wthW ngahplg;gl;l ,Uthapfs;
re;ijapy; fhzg;gLfpd;wd. Kjyhk; Rw;wpd; ,Uthapapd; ,U KidTfSf;F
kpilNa Nthy;w;Wkhdp ,izf;fg;gl;lhy;> mjd; Clhf 0.7 V mOj;jk;
fhl;lg;gLk;. Fkpopd; Clhf mOj;jk; 5.3 V Mff; fhzg;gLk;. mNj Nghd;W
,uz;lhk; Rw;wpy; ,uz;L KidTfSf;Fk; ,ilNa Nthy;w;Wkhdpia
,izj;jhy; ,Uthapapd; Clhf 6 V mOj;jKk; Fkpopd; Clhf 0 V mOj;jKk;
fhzg;gLk;. ,jd; mbg;gilapy; Kd;Kff; Nfhly; re;jHg;gj;jpy; MspAld;
njhLf;fg;gl;l Msp njhlq;F ( On ) re;jHg;gj;jpw;Fk; gpd;Kff;Nfhly;
re;jHg;gj;jpy; Mspapd; Msp mW(Off ) re;jHg;gj;jpw;Fk; rkdhFk;.
glk; 3 ,y; 6 V MlNyhl;l Kjy; xd;Wld; Fkpo; xd;W njhLf;fg;gl;Ls;s
re;jHg;gk; fhl;lg;gl;Ls;sJ. ,r;re;jHg;gj;jpy; Fkpo; xU Fwpg;gpl;l gpufhrj;Jld;
xspUk;. glk; 4 ,y; mr;Rw;wpy; njhluhf ,Uthap ,izf;fg;gl;Ls;s re;jHg;
gj;jpy; kpd;Fkpo; xspHtile;jhYk;> Kjyhk; re;jHg;gj;Jld; xg;gpLifapy;
gpufhrk; FiwthFk;. ,jw;Ff; fhuzk; MlNyhl;lj;jpd; xU gFjp khj;jpuk;;
,Uthapapd; Clhfr; nry;tjdhy; tY Fiwtile;jikahFk;. ,uz;L re;jHg;
gq;fspYk; miyapd; tbtk; kpd;Fkpopd; mUNf V0 vdf; Fwpg;gplg;gl;Ls;sJ.
glk; 4 ,y; ,Uthapapd; KidTfs; khw;wpj; njhLf;fg;gl;lhy; Fkpopd; ,U
KidTfspYk; miy tbtk; vt;thW mikAk;?
,jd; mbg;gilapy; ,Uthapapd; Clhf Kd;Kff; Nfhly; milAk;
glk; 3 glk; 4
138
miyg;gFjp ( miu miy ) khj;jpuk; nry;tjhf mwpa KbfpwJ.
Ie;jhk; glj;jpy; fhl;bathwhd Rw;wpy; ,Uthapapd; ,uz;L KidTfSf;Fk;
fNjhl;Lf; fjpH miyTfhl;biaj; njhLj;jhy; miyapd; tbtj;ij gw;wp
mwpNthk;.
miu miyr; rPuhf;fk;miu miyr; rPuhf;fk;miu miyr; rPuhf;fk;miu miyr; rPuhf;fk;miu miyr; rPuhf;fk;
MlNyhl;lj;jpd; xU gFjp khj;jpuk; gag;ghf ngwg;gLfpd;wJ. ,jw;fhf
rPuhf;fy; ,Uthapfs; gad;gLj;jg;gLfpwJ.
,t;thwhd rPuhf;fy; Rw;W miu miyr; rPuhf;fy; Rw;W vd miof;fg;gLk;. ,q;F
gag;G NeHXl;lkhf khw;wg;gl;lhYk; ,yj;jpudpay; fUtpfs; nraw;gLj;Jtjw;F
,ayhjpUg;gJld; kpd; fyq;fis kpd;Ndw;wk; nra;tjw;F Vw;wjhFk;.
,yj;jpudpay fUtpfshfr; nraw;gLj;Jtjw;F rPuhf;fy; khj;jpuk; Nghjpajhf
,y;yhjpUg;gjhy; nfhs;sstp xd;iwg; gad;gLj;jp xg;gkhf;fy; nra;ag;gly;
Ntz;Lk;.
gad;gLj;jpa nfhs;sstpapd; ( C ) ngWkhdk; mjpfhpf;fg;gl;lhy; Fw;wiy
FiwAk;.
KO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;W
gpujhd toq;fspy; ( 230 V ) ,Ue;J vkf;Fj; Njitahd Nthy;w;wsit
rPuhf;fy; %yk; ngw;Wf; nfhs;tNj vkJ NjitahFk;. ,q;F gpujhd Nthy;w;w
sit vkf;Fj; Njitahd MlNyhl;l Nthy;w;wsthfNt khw;wpf; nfhs;tjw;F
gbFiw khw;wpfs;; (Step Down Transformers ) gad;gLj;jg;gLfpwJ. mq;F ,uz;L
glk; 5
nga;g;G
,Uthapapd;
Clhd
miy
tbtk;
v0
0.6v
Vin ^nga;g;G&
Vo ^gag;G&
Rik
nga;g;G
C ,d;wp miy
tbtk;
C cld;Fw;wiy
139
RUs;fs; fhzg;gLtNjhL xU RUs; Kjy; RUs; vdTk;> kw;iwaJ Jizr;
RUs; vdTk; miof;fg;gLfpd;wd. Kjy; RUspy; cs;s Rw;Wf;fspd; vz;zpf;if
Jizr; RUspy; cs;s Rw;Wf;fspd; vz;zpf;ifia tpl mjpkhfTs;sNjhL>
Kjy; RUs; Rw;wg;gl;Ls;s fhtypl;l nrg;Gf; fk;gpapd; tpl;lk; Jizr; RUs;
Rw;wg;gl;Ls;s fhtypl;l nrg;Gf; fk;gpapd; tpl;lj;ij tpl $ba tpl;lKila
fk;gpapdhy; Rw;wg;gl;Ls;sJ.
KO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;WKO miyr; rPuhf;fy; Rw;W
,;q;F ikaj; njhlYW khw;wp gad;gLj;jg;gLtNjhL mjd;ikaj; njhl
YW Kid nghJ Kidthf nfhs;sg;gLfpwJ. kw;iwa KidTfs; ,uz;Lf;Fk;
D1,
D2 vDk; ,uz;L ,Uthapfs; xNu jpirapy; ,izf;fg;gl;Ls;sd.
xNu re;jHg;gj;jpy; ikaj; njhlYW khw;wp rhHghf xU gFjpapy; NeH miug;
gFjpAk;> kw;iwa gFjpapy; kiw miug;gFjpAk; Njhd;Wk;. mNj Nghd;W mLj;j
miug;gFjpapy; xU gFjpapy; kiw miug;gFjpAk;> mLj;j gFjpapy; Neu; miug;
gFjpAk; Njhd;Wk;. Nky; gFjpapy; NeHmiug;gFjp D1 ,Uthap %yk; flj;jg;gL
tNjhL kiw miug;gFjp flj;jg;gLtjpy;iy. kw;iwa miug;gFjpapd; Kjyh
tJ fzj;jpy; kiw miug;gFjp flj;jg;glhky; ,Ug;gNjhL NeH miug;gFjp
flj;jg;gLk;. ,jd; mbg;gilapy; gag;G fPo; tbtj;ijg; ngWtNjhL nfhs;sstp
gad;gLj;jg;gl;lJk; Fw;wiy ,opthf;fg;gLk;.
T1
140
ghy KO miyr; rPuhf;fy; Rw;Wghy KO miyr; rPuhf;fy; Rw;Wghy KO miyr; rPuhf;fy; Rw;Wghy KO miyr; rPuhf;fy; Rw;Wghy KO miyr; rPuhf;fy; Rw;W
,q;F Jizr;RUSf;F ,Uthapg; ghyk; gad;gLj;jg;gLfpwJ. Rw;wpd; A
KidTld; Neu;r; irif fpilf;Fk; NghJ D1 ,Uthap Kd;Kff; NfhlYW
tjdhy;D1 L D
3Clhf B tiu nry;Yk;
KidT kiwahFk; fzj;jpy; D2 L D
4Clhf me;j miug;gFjp
nry;tjdhy; kiw miug;gFjp rPuhf;fk; milfpwJ. ,t;thwhd Rw;W
xg;gkhf;fYf;fhf RS KidTfSf;F nfhs;sstpnahd;W njhLf;fg;gl;Ls;sJ.
xsp fhYk; ,Uthapxsp fhYk; ,Uthapxsp fhYk; ,Uthapxsp fhYk; ,Uthapxsp fhYk; ,Uthap
xsp fhYk; ,Uthap ( L.E. D ) gy;NtW epwq;fspy; fhzg;gLtJld; xNu
L.E. D gy epwq;fis ntsptplf;$bajhfTk; re;ijapy; ngw;Wf; nfhs;sf;
$bajhf cs;sJ. L.E. D apy; ,uz;L Kidfs; cs;sd. mit mNdhl;L>
fNjhl;L vd miof;fg;gLfpd;wd. nghJthf mNdhl;L ePsk; $bajhf
fhzg;gLk;.
etPd Rw;Wf;fspy; gy;NtW NtiyfSf;fhf gad;gLj;jg;gLfpd;wJ.
n fhl;bahf
n xsp myq;fhuj;jpw;F
n xspA+l;lYf;F
nghJthf L.E. D Kd;Kff; NfhlYw;w re;jHg;gj;jpy; khj;jpuNk
xspUk;. etPd fhyj;jpy; kpd; #o; tpsf;FfspYk; gutyhf L.E. D
gad;gLj;jg;gLfpd;wJ.
,U thapfisr; Nrhjpj;jy;,U thapfisr; Nrhjpj;jy;,U thapfisr; Nrhjpj;jy;,U thapfisr; Nrhjpj;jy;,U thapfisr; Nrhjpj;jy;
,Uthap xd;W rhjhuz epiyapy; cs;sjh vd;gij Kd;Kff; Nfhly;>
gpd;Kff; Nfhly; re;jHg;gq;fisg; gad;gLj;jpr; Nrhjpf;f KbAk;. ,jw;fhf
gy;khdp gad;gLj;jg;gLfpd;wJ. gy;khdpapd; Xk; tPr;R ,q;F njhpT nra;ag;gly;
Ntz;Lk;.
,g;ghpNrhjidapd; NghJ Kd;Kff; Nfhly; re;jhg;gj;jpy; jil
FiwthFk;. gpd;Kff; Nfhly; epiyapy; jil mjpfkhFk;.
mjpfkhd re;jHg;gq;fspy; kpd; nghwptif gy;khdp gad;gLj;jg;gLfpwJ.
,t;thwhd gy;khdpapy; jil mstpLtjw;fhf Xk; ( Ω ) tPr;rpw;F njhpTnra;jJk; MapKidTfspd; KidTj; jd;ik NtWgLfpd;wJ vd;gij
A K
141
jpuhd;rpw;wHjpuhd;rpw;wHjpuhd;rpw;wHjpuhd;rpw;wHjpuhd;rpw;wH
p tif my;yJ n tif Fiwflj;jpg;gilnahd;iw ,ilapy; itj;J
vjpHtifahd Fiwflj;jpg;gilfs; ,uz;il ,uz;L gf;fkhfTk; njhLg;gjd;
%yk; pnp, npn vd ,uz;L tifahd jpuhd;rpw;wHfs; cw;gj;jpahf;fg;gLfpd;wd.
,e;j Fiwflj;jp KidTfSld; ,izf;fg;gl;l %d;W KidTfSk;
ntspahy; fhzf;$bajhf cs;sJ.
,t;tpU jpuhd;rpw;wH tiffSf;Fk; gad;gLj;jg;gLk; FwpaPLfs; fPNo
fhl;lg;gl;Ls;sd.
epidTWj;jpf; nfhs;sTk;. mjhtJ nghJ Kidthd kiw KidT +
KidTj; jd;ikiaAk;> NeH KidT - KidTj; jd;ikiaAk; fhl;Lk;.
gy;khdpapd; %yk; ,Uthapiag; ghpNrhjpf;Fk; NghJ
KidTfs; ,uz;bw;F kpilNa ,uz;L jpirfspYk; Kbtpypj; jil
fhl;lg;gLkhapd; ,Uthap jpwe;J fhzg;gLk;. ,Uthapapd; ,uz;L
KidTfSf;Fk; ,ilNa jil Gr;rpakhapd; ,Uthap FWQ;Rw;W Vw;gl;Ls;sJ.
njhLifj;
jfL
xyp cw;gj;jp tY
4 x (ngWgtu; tiuapyhd Juk;)2
142
.
jpuhd;rpw;wH gad;gLj;jg;gly;jpuhd;rpw;wH gad;gLj;jg;gly;jpuhd;rpw;wH gad;gLj;jg;gly;jpuhd;rpw;wH gad;gLj;jg;gly;jpuhd;rpw;wH gad;gLj;jg;gly;
jpuhd;rpw;wH gy;NtW fUtpfspy; cs;slf;fg;gl;Ls;sJ. cjhuzkhf
thndhyp> njhiyf; fhl;rp vd;gd Nghd;w tY tphpayhf;fpiaAk; $wyhk;.
,q;F jpuhd;rpw;wH MdJ tphpayhf;fpahfg; gad;gLj;jg;gLfpwJ. jpuhd;rpw;wH
,yj;jpudpay; MspahfTk; gad;gLfpwJ.
xsp czh; Rw;Wf;fspy; LDR gad;gLj;jpAs;s ,lj;jpw;Nfw;g Fkpo; xspUk;
re;jHg;gk; ( xsp / ,Us; ) NtWgLk;. ,r;re;jHg;gj;jpy; Rw;whdJ ,Uspw;F
czh; jpwDilaJ. LDR IAk; R IAk; khw;wpapizg;gjhy; Rw;W xsp czH
jpwDilajhf khWk;.
,Us; czu;jpwd; Rw;W
xsp czu;jpwd; Rw;W
njhLif czu;jpwd; Rw;W
,q;F R vdg;gLk; mbf;F + mOj;jk; toq;fgl;Ls;sJ. vdNt ,e;j jpuhd;rpw;wH
npn tifFhpaJ> vd ,dq;fhz KbAk;. pnp tif jpuhd;rpw;wH Mapd; ,opTj;
jil fhl;lg;gLk; re;jHg;gj;jpy; mbf;F - mOj;jk; toq;fg;gly; Ntz;Lk;.
jpuhd;rpw;wH xd;W cw;gj;jpahf;fg;gLk; NghJ ,uz;L pn re;jpfs; Njhd;Wk;.
mt;tpuz;L re;jpfSk; fhyp - mb ( E - B ) re;jpAk; mb - Nrfhpg;ghd; ( B - C)
re;jpAk; vd miof;fg;gLk;.
jpuhd;rpw;wH xd;W gad;gLj;jg;gLk; re;jHg;gj;jpy; ,t;tpU re;jpfSk;
fPO;tUkhW NfhlYwr; nra;ag;gly; Ntz;Lk;.
♦ fhyp - mb ( E - B ) re;jp - Kd;Kff; NfhlYwy;
♦ mb - Nrfhpg;ghd; ( B - C) re;jp - gpd;Kff;
NfhYwy;
njhLifj
jfL
143
njhopDl;gr; nraw;ghLfis elj;Jtjw;FnjhopDl;gr; nraw;ghLfis elj;Jtjw;FnjhopDl;gr; nraw;ghLfis elj;Jtjw;FnjhopDl;gr; nraw;ghLfis elj;Jtjw;FnjhopDl;gr; nraw;ghLfis elj;Jtjw;F
gy;NtW tbt rkpf;iQfisg; gad;gLj;jy; gy;NtW tbt rkpf;iQfisg; gad;gLj;jy; gy;NtW tbt rkpf;iQfisg; gad;gLj;jy; gy;NtW tbt rkpf;iQfisg; gad;gLj;jy; gy;NtW tbt rkpf;iQfisg; gad;gLj;jy;
etPd fhyj;jpy; njhopDEl;g nraw;ghLfisf; nfhz;L elhj;Jtjw;F
iriffs; gad;gLj;jg;gLfpd;wd. ,t;thwhd iriffs; gy;NtW tbtq;fisf;
nfhz;Ls;sd. gutyhfg; gad;gLj;jg;gLfpd;w miy tbtq;fspy; ftdk;
nrYj;JNthk;.
ird; tbt miyfs;ird; tbt miyfs;ird; tbt miyfs;ird; tbt miyfs;ird; tbt miyfs;
,yq;ifapy; gad;gLj;jg;gLk; gpujhd kpd;diyapd; tbtk; ird; tisap;
tbtkhFk;. mt;thwhd miyapd; nghJ tbtj;ij fNjhl;Lf;fjpu; miyT fhl;b
(C.R.O.) %yk; mtjhdpf;f KbAk;.
ird; tisapapd; tbtk;
rJu miyfs;rJu miyfs;rJu miyfs;rJu miyfs;rJu miyfs;
,yj;jpudpay; Gyj;jpy; gutyhfg; gad;gLj;jg;gLk; miytbtk; rJu
miyftbtjhFk;. fNjhl;Lf;fjpu; miyf;fhl;bapd;apd; %yk; ,jid mtjhdpf;f
KbAk;.
rJu miyfspd; nghJ tbtk;
Kf;Nfhz tbt miyfs;Kf;Nfhz tbt miyfs;Kf;Nfhz tbt miyfs;Kf;Nfhz tbt miyfs;Kf;Nfhz tbt miyfs;
,yj;jpudpay; cgfuzq;fis/ $Wfisf ifahs;ttjw;fhf Kf;Nfhz tbt
miyfs; gad;gLj;jg;gLfp;dwd. mt;thwhd miyapd; nghJ tbtj;ij
fNjhl;Lf;fjpu; miyTf; fhl;b (C.R.O.) %yk; mtjhdpf;f KbAk;. ,t;thwhd
,yj;jpudpay; Rw;Wf;fs; xg;Gsp (Analogue) ,yj;jpudpaw; Rw;Wf;fs; vd miof;fg;gLk;.
t
V
V
t
t
V
144
vy;yh miyfspdJk; tbtk; Neuj;Jld; NtWgLfpd;wnjdTk; mit Mly;
jd;ikiaf; nfhz;lit vdTk; Njhd;Wfpd;wJ.
,t;thwhd miyfisr; rPuhf;Ftjd; %yk; mbg;Gf;fisg; ngwyhk;.
t
t
ird; tbt miyfs; ird; tbt mbg;Gf;fs;
njhopDl;gj;; Jiwapy; gy;NtW cgfuzq;fs; ,aq;Ftjw;F my;yJ
cgfuzq ;fis ,af ;Ftjw ;F xg ;Gs p my ;yJ ,yf ;f > iriffs ;
gad;gLj;jg;gLfpd;wd.
xg;Gspr; iriffs;xg;Gspr; iriffs;xg;Gspr; iriffs;xg;Gspr; iriffs;xg;Gspr; iriffs;
Neuj;Jld; miytPr;rk; njhlu;r;rpahf khw;wk; milAk; miyfs; xg;Gsp
miyfs; vdg;gLk;. ,j;jifa kpd; irifnahd;wpd; tPr;r khw;wk; Nthw;wssT
khw;wj;jpdhy; fhl;lg;gLk;.
,jw;Nfw;g xg;Gsp irifapd; tPr;rk; Neuj;Jld; khWgLtJ njspthfpd;wJ.
mbg;Gf;fisr; NrhjpfFk; cgfuzq;fspy; irif gad;gLj;jg;gLfpd;wJ.
V V
rJu tbt miyfs
;
rJu tbt mbg;Gfs;
V V
tt
Kf;Nfhz tbt miyfs; Kf;Nfhz tbt mbg;Gfs;
V V
t t
t
V
145
,yf;fr; iriffs;,yf;fr; iriffs;,yf;fr; iriffs;,yf;fr; iriffs;,yf;fr; iriffs;
Neuj;Jld; ajhapDk; jpl;ltl;lkhd my;yJ jpl;ltl;lkw;w Nfhyj;jpy;
khwh Nthy;w;wsT kl;lk; Vw;gliyAk; G+r;rpakhjiyAk; fhl;rpg;gLj;Jk; kpd;miyfs;
,yf;f miyfs; vdg;gLk;.
,yf;f iriffs; gad;gLj;jg;gLk; Rw;Wf;fs; ,yj;jpudpaw; Rw;Wf;fs; vd
miof;fg;gLfpd;wd. etPd fhyj;jpy; gy;NtW ,yj;jpudpaw; Rw;Wf;fspy; xg;Gsp
,yj;jpudpaw; njhopDl;gj;jpw;Fg; gjpyhf ,yf;f ,yj;jpudpaw; njhopDl;gk;
gad;gLj;jg;gLfpd;wJ.
c-k; nraw;if ,ja KLf;fpf;; fUtp(Pace Maker)> Nra;ik MSif(Remote control)
xg ;Gs p irif cw ;gj ;j pa pd ; NghJ Njitaw ;w iriffSk ;
cw;gj;jpahfpd;wd. Njitaw;w iriffs;; tpuptthf;fk; mile;J ,iur;ry;;
Njhd;Wtjhy; gag;G njsptw;Wg; Nghfpd;wJ. vdpDk; ,yf;f rkpf;iQfs; ,uz;L
ngWkhdq;fs; khj;jpuk; gad;gLj;jg;gLk; Jtpj irif ahifahy; ,iur;ry;; ,d;wp
gag;G cw;gj;jpahfpd;wJ. mNj Nghd;W ,yf;f iriffs;; ,uz;L mOj;j
kl;lq;fSf;fpilNa NtWgLtjhy; ju;f;fg; gliy ( Logic-gate) fspy; gad;gLj;jf;
$bajhfTk; cs;sJ. ,e;j ju;f;f kl;lq;fs; ,uz;Lk; cz;ik/cz;ikap;y;iy
Mk;/,y;iy rup/gpio Nghd;w ju;f;fq;fis Kd;itf;Fk;.
mbg;gilj; ju;f;fg; gliyfs; mbg;gilj; ju;f;fg; gliyfs; mbg;gilj; ju;f;fg; gliyfs; mbg;gilj; ju;f;fg; gliyfs; mbg;gilj; ju;f;fg; gliyfs; ( Basic logic gates)
,yf;f ,yj;jpudpaw; Rw;Wf;fisf; fl;Lg;gLj;Jtjw;F gad;gLj;jg;gLgitNa
ju;f;fg;gliyfs; MFk;. ,q;F mbg;gilj; ju;f;fgliyg; gw;wp ftdk; nrYj;jNthk;.
gliyfspd; njhopw;ghl;il tpsf;Fk; gpd;tUk; rktY kpd;Rw;Wf;fis mtjhdp;g;gjd;
%yk; mjd; njhopw;ghl;il tpsq;fpf; nfhs;sKbAk;.
t
A B C
Z
A B
Z
gliyapd; FwpaPL
xj;j kpd; Rw;W
gliyapd; FwpaPL
ZA
BZ
A
B
C
xj;j kpd; Rw;W
glk; 9'1a glk; 9'1b
146
,k;kpd; Rw;Wf;fspy; ftdQ; nrYj;JNthk;. 9'1 a glj;jpy; ,uz;L Mspfs;
njhluhf (AAk; BAk; ) ,izf;fg;gl;Ls;sd mjd; mbg;gilapy; ,uz;L
MspfshYk; ^ 22 & 4 Kiwfspy; Z If; fl;Lg;gLj;j KbAk;. Nkw;Fwpg;gpl;l
fl;Lg;ghLfspd; gb ,uz;L MspfisAk; %Lk; NghJ (ON) kpd;Fkpo; Z xspUk;. 9'1
b glj;jpy; Mspfs; %d;wpidAk; ^ 23 & 8 Kiwfspy; Z If;fl;Lg;gLj;j KbAk;.
,jd; mbg;gilapy; Msp jpwe;jpUf;Fk; (OFF) re;ju;g;gq;fis Jtpj 0 vdTk; Msp
%lg;gl;bUf;Fk; (ON) re;ju;g;gq;fis Jtpj 1 vdTk; Fkpo; xspUk; re;ju;g;gj;ij
1 vdTk; Fkpo; xspuhj re;ju;g;gj;ij 0 vdTk; Fwpj;J cz;ik ml;ltiz
jahupf;fyhk;.
glk; 1 ,w;fhd cz;ik ml;ltid fPNo jug;gl;Ls;sJ.
glk; ii ,w;fhd cz;ik ml;ltiz fPNo jug;gl;Ls;sd.
,jd; mbg;gilapy; Mspfs; njhluhf ,izf;fg;gLk; re;ju;g;gq;fspy; vy;yh
MspfSk; %lg;gl;l (ON) epiyapNyNa kpd;Fkpo; xspu;fpd;wJ. ,t;thwhd
ngWNgw;wpw;Fr; rkdhd ngwNgw;iwj; jUk; gliyfs; AND gliyfs; vd
miof;fg;gLk;. ,jw;Nfw;g AND gliyapd; nga;g;G vy;yhtw;wpw;Fk; tYit toq;fpdhy;
(Vw;w Nthy;w;wsT) gag;G Nthy;w;wsT ngwg;gLk;. mjhtJ nga;g;G vy;yhk; Jtpj
1 ,w;F xj;jjhf mikAk; NghJ khj;jpuk; gag;G Jtpj 1 ,w;F xj;jjhf mikAk;.
kw;iwa vy;yh re;ju;g;gq;fspYk; Fkpo; xspuhikapdhy; gag;G Jtpj 0 ,w;F
xj;jjhFk;.
A B Z
O O O
O 1 O
1 O O
1 1 1
A B C Z
0 0 0 0
0 0 1 0
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 0
1 1 1 1
147
glk; 9'2a glk; 9'2b
A
R
ZA Z
gliyapd; FwpaPL
xj;j kpd; Rw;W
Z
gliyapd; FwpaPL
A
B
gliyapd; FwpaPL
CB
A
Z
xj;j kpd; Rw;W
A
B Z
B
Z
C
A B C Z
0 0 0 0
0 0 1 1
0 1 0 1
0 1 1 1
1 0 0 1
1 0 1 1
1 1 0 1
1 1 1 1
A B Z
O O O
O 1 1
1 O 1
1 1 1
OR gliyfs;gliyfs;gliyfs;gliyfs;gliyfs;
Rw;nwhd;wpy; gy Mspfs; rkhe;jukhf ,izf;fg;gLk; NghJ Rw;iw OR gliyf;F
xj;jJ vdf; Fwpg;gplyhk;. Mspfs; nga;g;ghfTk; Rw;wpd; jilapd; tpisT gag;ghfTk;
nfhs;sg;gLk;.
,jd; mbg;gilapy; ,r;Rw;Wf;fSf;fhd cz;ik ml;ltiz fPo;f;fhl;bathW
mikAk;.
OR gliyapd; nga;g;gpy; xd;whtJ Jtpj 1 MFk;> re;ju;g;gj;jpy; gag;G Jtpj 1
MFk;.
NOT gliy gliy gliy gliy gliy
NOT gliyapd; njhopw;ghl;ilf; fhl;Ltjw;F fPNo cs;s kpd; Rw;iwf;
ftdpg;Nghk;.
,r;Rw;wpd; Msp A jpwe;jpUf;Fk; NghJ kpd;Fkpo; xspUk;. Mspia %baJk;
148
kpd;Fkpo; xspuhJ. ,jw;fhd cz;ik ml;ltiz fPo;tUkhW mikAk;.
,r;Rw;wpy; Msp A jpwe;jpUf;Fk; NghJ kpd; Fkpo; xspUk;. spia %baJk; kpd;
Fkpo; xspuhJ.
,jw;fhd cz;ik ml;ltiz fPo;tUkhW mikAk;.
,r;Rw;wpw;F rktYthd gliy NOT gliy vd miof;fg;gLk;.
mbg;gil gliyfs; cs;slq;Fk; xUq;fpize;j Rw;Wf;fSk; mtw;wpd; gliymbg;gil gliyfs; cs;slq;Fk; xUq;fpize;j Rw;Wf;fSk; mtw;wpd; gliymbg;gil gliyfs; cs;slq;Fk; xUq;fpize;j Rw;Wf;fSk; mtw;wpd; gliymbg;gil gliyfs; cs;slq;Fk; xUq;fpize;j Rw;Wf;fSk; mtw;wpd; gliymbg;gil gliyfs; cs;slq;Fk; xUq;fpize;j Rw;Wf;fSk; mtw;wpd; gliy
nraw;ghl;il nra;J ghu;j;jYk;.nraw;ghl;il nra;J ghu;j;jYk;.nraw;ghl;il nra;J ghu;j;jYk;.nraw;ghl;il nra;J ghu;j;jYk;.nraw;ghl;il nra;J ghu;j;jYk;.
,g;gliyapy; nga;g;GKidnthd;Wk; gag;G Kidnthd;Wk; fhzg;gLk;.
mbg;gilg; gliyfis cs;slf;fpa xUq;fpize;j Rw;Wf;fisr; re;ijapy; tpiyf;F
thq;fKbAk;. mt;thwhd Rw;Wf;fis ,yj;jpudpaw; Rw;Wf;fspy; nghJthf fhzKbAk;.
gy xUq;fpize;j Rw;Wj; njhFjpfs; fPNo fhl;lg;gl;Ls;sthW ngauplg;gl;Ls;sd.
,yf;f xUq;fpize;j Rw;Wf;fs; T.T.L.(Transistor_Transistor Logic) (,U KidT
njhopEl;gk;) KiapYk;(CMOS) Transistor complementary Oxide Semi conductors) cNyhf
xl;irl;L Fiwflj;jp;j; ;njhopDl;gj;jpd; %yNk Mf;fg;gl;Ls;sJ.
T.T.L.njhFjpf;F cl;gl;l xUq;fpize;j Rw;Wf;fSf;F 74XX my;yJ 54XX
vz; gad;gLj;jg;gLfpd;wJ. FwpaPl;L CMOS tiff;F 40XX, 45XX FwpaPl;L vz;
gad;gLj;jg;gLfpd;wJ. TTL njhFjpf;F Rw;Wf;fhd jhf;f Nthy;w;wsT 5V MtNjhL
CMOS ,w;fhf 3-15 V msT cNthw;W tPr;irg; gad;gLj;yhk;.
xUq;fpize;j Rw;Wf;fspd; KidTfis ,dq;fhzy;xUq;fpize;j Rw;Wf;fspd; KidTfis ,dq;fhzy;xUq;fpize;j Rw;Wf;fspd; KidTfis ,dq;fhzy;xUq;fpize;j Rw;Wf;fspd; KidTfis ,dq;fhzy;xUq;fpize;j Rw;Wf;fspd; KidTfis ,dq;fhzy;
xUq;fpize;j Rw;nwhd;wpd; KidTfis ,dq;fhz;gjw;F Rw;wpd; Nkw;gFjpapy;
tpNrlkhd milahsk; fhzg;gLk;. mt;tilahsk; 1 vdf; nfhs;sg;gl;L tyQ;
Ropahf ,yf;fkplg;gLk;.
njhlu;ghly; Kiwfs;njhlu;ghly; Kiwfs;njhlu;ghly; Kiwfs;njhlu;ghly; Kiwfs;njhlu;ghly; Kiwfs; ,uz;L gFjpapdUf;fpilNa fUj;Jg; gupkhwy; njhlu;ghly; vdg;gLk;. gz;ila
kdpjd; fUj;Jg; gupkhw gy;NtW Kiwfisg; gad;gLj;jpdhd;. mUfpy; ,Ug;NghupYk;
ghu;f;f ntF Juj;jpy; ,Ug;NghUf;fpilNa fUj;Jg; gupkhw gy;NtW El;g Kiwfisg;
gz;ilNahu; gad;gLj;jpdu;. ,jw;fhf mtu;fs; Gif%l;ly;> $f;Fuyply;>
giwawptpj;jy;> ntt;ntW tpyq;Ffspd; fOj;jpy; Xiy fl;b JjDg;gy; Nghd;w
gy;NtW Kiwfisg; gpd;gw;wpdu;. ,jd; cz;ikia JJf; fhtpaq;fs; giw
rhl;Lfpd;wd. mz;ikf;fhy njhlu;ghly; mr;Rg; gjpg;G Kiwia mbg;gilahff;
nfhz;bUe;jJ. gj;jpupiffs;> rQ;rpiffs;> Gj;jfq;fs;> mQ;ry; Mfpad %yk;
,j;njhlu;ghly; eilngw;wJ. vdpDk; fzpdp; ghtidf;F te;j gpd; kpd;dQ;ry;>
,izak>; tPbNah fUtpfs; Nghd;wit njhlu;ghly; Jiwf;F mwpKfkhfpAs;sd.
,jdhy; cyfpy; ve;jnthU %iyapy; eilngWk; tplaj;ijAk; cldbahf mwpaf;
$bajhfTs;sJ. jfty; njhlu;ghlYf;F Nkw;;gb Kiwfs; kpfTk; gaDs;sitahFk;.
16
1
A Z
0 1
1 0
149
vdpDk; ve;jnthU gaDs;s tplaj;ijAk; jPa tplaq;fSf;Fk;; gad;gLj;JtJ
kdpj ,ay;G. MfNt fzpdpiaAk; jPa Njitf;fhfTk; gad;gLj;jyhk;. c-k;
r%fj;jpw;F jPik gaf;Fk; ntg;jsq;fSk; cUthf;fg;gl;Ls;sd. Mghrkhd glq;fs;>
fPo;j;jukhd tpahghu El;gq;fs; Nghd;wd ,j;jifadthFk;. rpW gps;isfs; ghlrhiy
khztu;fs; Nkw;gb jsq;fSf;Fs; gpuNtrpj;J mtu;fsJ cs;sj;ijAk; cliyAk;
xOf;fj;ijAk; nfLj;Jf; nfhs;fpd;whu;fs;. gytifahd Mghr ,Wtl;Lf;fSk;
epfo;r;rp El;gq;fSk; ,j;jifa jPa topfhl;lYf;F fhuzkhfpd;wJ.
NkYk; ifalf;fj;njhiyNgrpg; ghtidapdhYk; gy;NtW jPikfs; Vw;gl
,lKz;L. njhlu;r;rpahf fhJfspy; njhiyNgrpfis itj;jpUg;gjhy; mtw;wpypUe;J
ntspahFk; fjpu;g;Gf;fshy; %isf;F gy ghjpg;Gf;fs; vw;gLtjhff; $wg;gLfpwJ.
ifalf;fj; njhiyNgrp gy;NtW rl;ltpNuhj nray;fSf;Fk; gad;gLj;JtjhfTk;
njupate;Js;sJ.
njhlu;ghly; fUtpfs;njhlu;ghly; fUtpfs;njhlu;ghly; fUtpfs;njhlu;ghly; fUtpfs;njhlu;ghly; fUtpfs;
jfty; njhlu;ghYf;Fg; gad;gLj;Jk; fUtpfs; ,uz;L tifg;gLk;.
1. mr;R Clfk; rhu;e;j fUtpfs;
2. kpd;Dlfk; rhu;e;j fUtpfs;
mr;R Clfk; rhu;e;j fUtpfshf mr;Rg; gjpg;Gf; fUtpfis ,dq;fhzyhk;.
,q;F gad;gLj;jg;gLk; Xg;nrl; mr;Rg; gjpg;G ,ae;jpuq;fs; gj;jpupiffs;> rQ;rpiffs;>
Gj;jfq;fs; Nghd;wtw;iwg; gjpg;gjw;fhfTk; fzpdpfshy; nraw;gLj;jg;gLk; mr;rg;
gjpg;Gf; fUtpfs; b[pl;ly; mr;Rg; gjpg;gpw;Fk; NtW fbjg; gjp;g;gpw;Fk; gad;gLj;jg;gLk;.
kpd;Dlfj;Jld; njhlu;Gila fUtpfshff; fzpdpahdJ tpN~lkhf
,izaj; njhlu;Gfisg; ngw;Wf; nfhLf;f cjTk; cj;jpahFk;. NkYk; ntt;NtW
re;ju;g;gq;fspy; ntt;ntW nkd;nghUl;fs; gad;gLj;jg;glyhk;. ntt;NtW tifahd
trjpfisAk; ngwKbAk;. nra;kjpfs; %yk; ehLfSf;fpilNa njhlu;ghliy Vw;gLj;j
KbAk;.
flYf;fbapyhd xspapay; ehu; tlq;fs; Nghd;wtw;iwg; gad;gLj;jp cr;r
tpidj;jpwDld; rkpf;iQfis mDg;gTk; ngwTk; KbAk;. NwbNah> njhiyf;fhl;rp
,ae;jpuq;fSk; kpd; njhlu;ghlYf;F gutyhfg; gad;gLj;jg;gLk;.
fzpdpapd; Kf;fpaj;Jtk;fzpdpapd; Kf;fpaj;Jtk;fzpdpapd; Kf;fpaj;Jtk;fzpdpapd; Kf;fpaj;Jtk;fzpdpapd; Kf;fpaj;Jtk;
etPd njhlu;ghly; Jiwapd; Kf;fpa xU gFjpahf fzpdpiaf; fUjyhk;.
fzpdpiag; gad;gLj;jp njhlu;ghlypy; gy;NtW NjitfisAk; epiwNtw;wpf;
nfhs;syhk;. fzpdpahdJ ,uz;L mbg;gilg; ghfq;fspyhdJ. mjhtJ
1. nkd; nghUs; (Software)
2. td; nghUs; (Hardware) vd;gdNt mitahFk;.
fzpdpiaj; jahupf;fj; Njitahd kpd;Dgfuzq;fs;> Jizg;ghfq;fs; Mfpad
td;nghUl;fshFk;. c-k; jha;g;gyif (Motherboard)> epidtfk; (Memory);> VGA
ml;il> Nkhnlk; Mfpa NtW gytifg; ghfq;fisAk; ,dq;fhzyhk;.
Nkw;gb kpd; Jizg; ghfq;fshy; fzpdpf;F kpd; toq;Fk; NghJ mtw;iwr;
nraw;gLj;jj; Njitahd gpujhd mwpTiufisg; ngw;Wf; nfhLj;jy; Ntz;Lk;.
MfNt Nkw;gb fl;lisfs; mlq;FkhW jahupf;fg;gl;l epfo;r;rpj;jpl;lq;fs;
nkd;nghUl;fs; vd miof;fg;gLk;. vt;thwhapDk; fzpdp rupahfr; nraw;gl
nkd;nghUl;fSk; td; nghUl;fSk; nghUj;jkhf ,Uj;jy; mtrpak;.
150
fzpdpapd; Kf;fpa ghfq;fs;fzpdpapd; Kf;fpa ghfq;fs;fzpdpapd; Kf;fpa ghfq;fs;fzpdpapd; Kf;fpa ghfq;fs;fzpdpapd; Kf;fpa ghfq;fs;
fzpdpiar; nraw;gLj;Jk; NghJ mjw;F mtrpaj; Njitahd td;nghUl;fs;
rpytw;iw ,izj;jy; Ntz;Lk;.
mit
CPU cs;sPl;L fUtpfs; tUtpisT ghfq;fs;
cs;sPl;Lf; fUtpfs; Muk;g Qhgfk;
Jiz Qhgfk tY toq;fp
vdf; Fwpg;gplyhk;. ,tw;iw ,uz;L gpujhd gFjpfshfg; gpupg;gu;.
cs;sPl;L Jizg;ghfq;fs; cs;sPl;L Jizg;ghfq;fs; cs;sPl;L Jizg;ghfq;fs; cs;sPl;L Jizg;ghfq;fs; cs;sPl;L Jizg;ghfq;fs; ( Input Devices)
fzpdpf;F juit cl;GFj;jYf;fhf cs;sPl;Lj; Jizg;ghfq;fs;
gad;gLj;jg;gLfpd;wd. ,tw;wpw;F cjhuzkhf rhtpg; gyif>(Key Board) Rl;b
(Mouse) Mfpatw;iwf; Fwpg;gplyhk;.
tUtpisT Jizg; ghfk; tUtpisT Jizg; ghfk; tUtpisT Jizg; ghfk; tUtpisT Jizg; ghfk; tUtpisT Jizg; ghfk; (Output Devices)
fzpdpapypUe;J juTfisg; ngWk; NghJ mtw;iwf; fhl;rpg;gLj;j(display)
mtrpakhd Jizg;ghfkhf njuptpg;gp (monitor) iaf; Fwpg;gplyhk;. ,jw;F Nkyjpfkhf
gad;gLj;Jk; tUtpisTj; Jizg;ghfq;fshf xypngUf;fp> mr;Rg;gjpg;ghd;> gy;Clf
vwpap(Multi media projector) Mfpatw;iwf; Fwpg;gplyhk;.
ika nraw;gLj;jy; myF ika nraw;gLj;jy; myF ika nraw;gLj;jy; myF ika nraw;gLj;jy; myF ika nraw;gLj;jy; myF (Central Processing Unit)
fzpdpapypUe;J juTfs;> glq;fs; NtW Njitahdtw;iw ntspNa ngwj;
Jiz Nrkpg;G Qhgfk; cjTk;. ,jw;Fjhuzkhf ,Wtl;Lf;fs;> Ngdh nrYj;jp>
gspr;rpLk; nrYj;jp(Flash drive) my;yJ USB, USB td;jl;L> nefpo; tl;L (Floppy
Disk) td; tl;L ( Hard Disk ) Nghd;w cgfuzq;fisf; Fwpg;gplyhk;.
fzpdp fUtpiar; nraw;gLj;jj; Njitahd kpd; toq;fiy UPS %yk;
ngwyhk;. fzpdp ,aq;fpf; nfhz;bUf;Fk; re;ju;g;gj;jpy; rLjpahf kpd;tY
Jz;bf;fg;gl;LtpLkhapd; mjdhy; fzpdpapd; Qhgfj;jpy; (RAM) cs;s juTfs;
mope;J NghFk;. td; tl;Lf;Fg; ghjpg;G Vw;gltijj; jtpu;f;f UPS gad;gLj;jg;gLk;.
kpd; toq;fy; njhlu;gWf;fg;gl;l NghJ kpd;rhuk; toq;f UPS cjTk;. ,jdhy;
Vw;glf;$ba ,og;gPLfs; jtpu;f;fg;gLk;. MfNt fzpdp ,ae;jpuj;jpw;F kpfTk;
mtrpakhd Jizg; ghfkhf UPS If; Fwpg;gplyhk;. A.L.U. %yk; vy;yhf; fzpj
mbg;gilapyhd fzpj nraw;ghLfSk; fl;Lg;ghl;Lg; gFjp %yk; cs;sPl;Lj; Jizg;
nraw;gLj;jy;
myF C.P.U
cs;sPl;L
fUtpfs;tUtpisTg;
ghfq;fs;
Muk;g Qhgfk;
Jiz Qhgfk;
tY toq;fp
151
ghfq;fs; tUksT Jizg;ghfq;fs; Mfpad %yk; njhlu;G Ngzg;gLk;.
Qhgfk; Qhgfk; Qhgfk; Qhgfk; Qhgfk; (Memory)
fzpdpfSf;Fg; gad;gLj;jg;gLk; Qhgf tiffs; ,uz;lhFk;. mit
1. Kjd;ik Qhgfk; (Primary memory
2. Jiz Qhgfk; (Secondary memory)
fzpdpapd; mf nraw;ghLfspd; Kiwtopf;fhf( Process ) Kjd;ik Qhgfk;
gad;gLk;. ,J RAM ( Random Access Memory ) vOkhwhd gpuNtr Qhgfk; > ROM
( Read Only Memory) thrpg;G kl;Lk; epidtfk; vd ,uz;L tifg;gLk;. fzpdp
nraw;ghl;bd; NghJ jw;fhypfkhf juTfis Njf;fp itf;fTk; topg;gLj;Jk;
njhFjpapd; Njitahd ghfq;fis Qhgfj;jpy; itj;jpUf;fTk; ,jidg; gad;gLj;Jtu;;
kpd; toq;fy; ,Uf;Fk; tiu khj;jpuk; Qhgfj;j;py; itj;jpUj;jy; ,jd; jdpj;JtkhFk;.
kpd;rhuk; Jz;bf;fg;gl;lTld; Qhgfk; mope;J NghFk;. ,it DIMM, SD RAM,
DDR, DDR2 vd;w tifapy; nkhbA+y;fshfg; ngwg;gl;L jha;g; gyifapy; Nrkpf;fg;gLk;.
fzpdpapd; Muk;g nraw;ghl;bw;F Njitahd juTfisAk>; mwpTiufisAk;
Nrkpj;J itf;f ROM cjTk;. ,jd; Qhgfk; kpd;rhuk; ,y;yhkw; NghFk; NghJ
khj;jpuk; itj;jpUf;fyhk;. jha;g; gyifapy; ,jid cgNahfpf;Fk; NghJ BIOS (
Basic Input Output System ) vd mjid miog;gu;.
fzpdpapy; cs;s juTg; glq;fSk; NtW Njitahd mwpTWj;jy;fis
xOq;FgLj;jy; Mtzq;fis ntspNa vLj;jy; Nghd;wtw;wpw;fhf Jiz Qhgfk;
gad;gLj;jg;gLfp;d;wJ. ,it Jiz fsQ;rpag;gLj;Jk;
cgfuzk;(Secondary Storage Divice) vdTk; miof;fg;gLfpd;wJ.
,jw;F cjhuzkhf ,Wtl;Lf;fs; (CD- Compact Disk )> Ngdh
nrYj;jp (Pen Drive)/ ( Flash Drive) my;yJ USB td; tl;L( USB
Hard Disk) Nghd;w cgfuzq;fis Fwpg;gplyhk;.
tY toq;fy;tY toq;fy;tY toq;fy;tY toq;fy;tY toq;fy; ( Power Supply)
fzpdpia ,af;Ftjw;F kpd; toq;fy; mtrpakhFk;. me;j
kpd;toq;fYf;F Njitahd kpdid UPS( Uninteruptable Power Supply ) %yk;
toq;Ftjw;F eltbf;if vLg;gJ rpwe;jjhFk;. fzpdp ,aq;fpf;nfhz;bUf;Fk;
re;ju;g;gq;fspy; jw;nrayhf kpd; Jz;bg;G Vw;gl;lhy; fzpdp Qhgfj;jpy; (RAM)
cs;s juTfs; moptjw;Fk; td;tl;bw;F ghjpg;G Vw;gLtjw;Fk; re;ju;g;gk; cz;L.
vdNt UPS toq;fy; %yk; kpd; ngwg;gLk; NghJ gpujhd kpd;rhuk;
Jz;bf;fg;gl;l re;ju;g;gj;jpYk; kpd; toq;fy; fpilg;gjd; fhuzkhf vy;yh
,ilQ;ry;fSk; jtpu;f;fg;gl;L ghjpg;Gf;fisj; jtpu;j;Jf; nfhs;sf;$bajhf
cs;sJ. vdNt fzpdpnahd;wpd; kpfTk; Njitahd cgfuzk; xd;whf UPS
kpd; tyoq;fiyf; Fwpg;gplg;glyhk;.
fzpdpapd; td; nghUl;fis xd;whf ,izj;;jjd; gpd;du; mtw;iw nraw;gLj;;j
nkd;nghUs; mtrpakhFk;. ,q;F jhgpf;fg;glNtz;ba KjyhtJ nkd; nghUs;
gzp nray; KiwikfshFk;. gzpnray; Kiwik vd;gJ Windows 98, Windows
me, Widows 2000, Windos XP Nghd;w nkd; nghUl;fshFk;. gzpnray; Kiwj;
njhFjpiag; gad;gLj;jp td;nghUl;fspd; nraw;ghl;ilg; ngw KbAk;. Nkw;gb
microsoft nkd;nghUl;fSf;F Nkyjpfkhf Unix, Linux Nghd;w gzp nray; Kiw
njhFjpfSk; jw;NghJ gad;gLj;jg;gLfpd;wd. fzpdpapy; gzp nray; Kiwj;
152
njhFjpnahd;iwj; jhgpj;jjd; gpd;du; mt;thW gy tif nkd;nghUl;fis mjd;kPJ
jhgpj;jy; Ntz;Lk;.
mtutu; tpUg;gpw;Nfw;g ,tw;iwj; jhgpf;fyhk;. mYtyf Ntiy nra;tjw;fhf
fhupahya nghjp(office package) cs;sJ. mjw;Fjhuzkhf MS office XP nghjpiaf;
Fwpg;gplyhk;. ,jidg; gad;gLj;jp mYtyfj;jpd; vOj;J Ntiyfis MS word
%yKk;> rku;g;gpj;jy; Nghd;wit MS power point %yKk;> juTfisr; rku;g;gpj;jy;
MSAccess %yKk;> NtW gytifahd fzpj;jy;fSld; $ba Mtzq;fis MS
Excell %yKk; epiwNtw;wyhk;
,tw;wpw;F Nkyjpfkhf Auto cad Nghd;w nkd; nghUl;fis cgNahfpj;J
gy;NtW jpl;lq;fisAk;> fl;ll epu;khzpg;Gf;fisAk; nra;ayhk;. Nkw;gb nghjpfSf;F
Nkyjpfkhf NtW NjitfSf;fhf gy tif nghjpfs; gad;gLj;jg;gLfpd;wd.
,tw;wpw;F cjhuzkhf Visual Basic (VB), C++, Java Nghd;w gy;NtW nkhoptiffisg;
gad;gLj;Jtu;. ,t;thwhd nkhopfisg; gad;gLj;jp jkf;F Njitahd gyNtW
epfo;r;rpj; jpl;lq;fis epu;khzpf;Fk; Mw;wy; cs;sJ.
fzpdpiar; nraw;gLj;Jk; NghJ nraw;gLj;Jk; egUf;F Njitahd nkd;
nghUl;fis mq;Fs;s gzpnray; Kiwikfspd; kPJ epWt ntz;Lk;. ngUk;ghyhd
nkd; nghUl;fs; ,Wtl;Lf;fspy; Nrkpf;fg;gl;Ls;s NghJk; mtw;wpYs;s gy;NtW
Nfhitfis jhgpg;gjd; %yk; Nkw;gb epfo;r;rpj; jpl;lq;fis jhgpj;Jf; nfhs;s
153
KbAk;.
9. Rw;whly; Neakhd tifapy; ,aw;if tsq;fisg; gad;gLj;jy;9. Rw;whly; Neakhd tifapy; ,aw;if tsq;fisg; gad;gLj;jy;9. Rw;whly; Neakhd tifapy; ,aw;if tsq;fisg; gad;gLj;jy;9. Rw;whly; Neakhd tifapy; ,aw;if tsq;fisg; gad;gLj;jy;9. Rw;whly; Neakhd tifapy; ,aw;if tsq;fisg; gad;gLj;jy;
,yq;if mjptpN~lkhd jhtuq;fs;> tpyq;Ffs; kw;Wk; gy;NtW tpjkhd
Rw;whly; njhFjpfspdhy; Nghrpf;fg; ngw;w xU tskhd ehlhFk;. cyfpYs;s
capu;g;gy;tifikapy; Kf;fpaj;Jtk; ngw;w (capu;g; gy;tifikapy; Kf;fpa jsq;fs;
( Biodiversity Hot Spots) 34 jsq;fSs; xU jskhf ,yq;ifAk; Fwpg;gplg;gl;bUg;gjd;
%yk; ,J njspthfpd;wJ. ,j;jhtu kw;Wk; tpyq;F ,zq;fspy; ,yq;iff;Nf
cupj;jhd jhtuq;fs; kw;Wk; tpyq;Ffs; gy fhzg;gLfpd;wd. ,Ug;gpDk; ,e;j
capupdq;fs; trpf;Fk; tpNrlkhd ,aw;if trpg;gplq;fspy; mjpfkhd msT (Rkhu;
70%) ,y;yhky; NghAs;sJ. Mapuf;fzf;fhd tUlq;fshf kdpju;fshy; Rw;whlYf;F
Vw;gLj;jg;gl;Ls;s mopTfs; ,jw;Ff; fhuzkhf mike;Js;sJ. cjhuzkhf
Rw;whlYf;fhd ghjpg;G kpfTk; rpwpa xU gpuNjrj;jpy; Vw;gl;lhYk; mjd; %yk;
Rw;whlYf;Fk; mjpy; trpf;Fk; capupdq;fSf;Fk; tpyq;FfSf;Fkhd jhf;fq;fs;
kpfTk; mjpfkhFk;;. ,jdhy; Rw;whly; vd;gJ vkJ FWfpa Fwpf;Nfhs;fSf;F
NjitahdthW gad;gLj;jf;$ba ,lky;y vd;gijAk;; mj;NjhL Rw;whliy
mopg;gjw;F Nkw;nfhs;sg;gLk; rfy Kaw;rpfspdJk; gpujpgyid Vida kf;fs;
KOr;rKjhak;> muR kw;Wk; vjpu;fhy re;jjpapdu; midtUNk mDgtpf;f Ntz;btUk;
vd;gijAk; ehk; ftdj;jpw;F vLj;Jf; nfhs;s Ntz;bAs;sJ.
,yq;if Nghd;w ehLfspy; Vw;gLk; Rw;whly; ghjpg;Gf;F
ntspehl;Lj; jiyaPLk; xU Kf;fpa fhuzkhf mikfpd;wJ. gy; ehl;L epWtdq;fs;
mtu;fsJ Mgj;jhd ,urhadg; gjhu;j;jq;fisAk;;> cw;gj;jpf; fopTfisAk;
ntspNaw;Wk; jskhf ,yq;ifia #o;e;Js;s ,e;J rKj;jpuj;ijg; gad;gLj;Jk;
re;ju;g;gq;fisAk; fhzf; $bajhf ,Uf;fpwJ. mj;NjhL capupdf; nfhs;isapd;
(Bio Piracy); %yKk; vkJ ngWkjp kpf;f jhtu kw;Wk; tpyq;F ,dq;fs; ,e;ehl;bypUe;j
mwNt ,y;yhky; Nghff;$ba Mgj;jpw;Fk; ,d;W ehk; Kfq;nfhLf;f Ntz;bAs;sJ.
Rw;whly; ghjpg;Gf; fzpg;gPLRw;whly; ghjpg;Gf; fzpg;gPLRw;whly; ghjpg;Gf; fzpg;gPLRw;whly; ghjpg;Gf; fzpg;gPLRw;whly; ghjpg;Gf; fzpg;gPL
Rw;whlYf;F jhf;fj;ij Vw;gLj;jf; $ba nraw;jpl;lq;fis xOq;fhf
kjpg;gpLtjw;fhd Vw;ghL; ,jd; %yk; Nkw;nfhs;sg;gLfpd;wJ. mNjNtis cupa
mjpfhup ve;jnthU nraw;jpl;lj;ijAk; gw;wp cupa epWtdj;jpw;nfjpuhf KbntLg;gjw;F
Kd;du; mtu;fSf;Fk; ehl;bd; nghJ ,zf;fg;ghl;bw;Fk; mr;nraw;jpl;lj;jpd; %yk;
Vw;glf;$Lk; vd vjpu;ghu;f;fg;gLfpd;w jhf;fq;fs; kw;Wk; mtw;iwf; Fiwg;gjw;F
cs;s Mw;wy;fs; gw;wpa njspthd tpsf;fj;ijg; ngw;Wf; nfhs;tjw;F ,J xU
tha;g;ghf mikAk;. VjhtnjhU nraw;jpl;lj;ij mDkjpf;Fk; NghJ mDkjpia
toq;Fk; mjpfhup my;yJ epWtdj;jpd; %yk; cupa nraw;jpl;lj;jpd; %yk; Rw;whlYf;F
Vw;gLj;Jk; ghjpg;G gw;wpa kjpg;gPl;L mwpf;if xd;iw Nfl;Lg; ngw;Wf;nfhs;s
Ntz;Lk;. mj;NjhL mt;twpf;ifia nghJkf;fSf;F Kd;itj;J mtu;fsJ
fUj;Jf;fisAk; Nfl;lwpa Ntz;Lk;.
nraw;jpl;lj;jpw;fhd mDkjpia toq;Fk; epWtdk; my;yJ mjpfhup kf;fsJ
154
.
mgpg;gpuhaq;fisAk; fUj;jpw;nfhz;L mDkjp toq;fNtz;Lk;.
Rw;whly; gw;wpa kjpg;gPl;L mwpf;if jahupf;f Ntz;bAs;s
nraw;jpl;lq;fs; rpy fPNo jug;gl;Ls;sd.
1. tpkhd epiyak; jhgpj;jy;
2. Gifapujg; ghij mikj;jy;;
3. mZkpd; cw;gj;jp epiyak; jhgpj;jy;
4. n`f;nlahu; 4 ,w;Fk; $ba fhzpfs; my;yJ <u epyq;fis
epug;Gjy;
gy;NtW tpjkhf ePu;> epyk;.> tsp> xyp vd;gtw;iw mbg;gilahff; nfhz;L
gy;NtW tpjkhf epfOk; ePu; khriljy;> kz;(epyk;) khriljy;> tsp khriljy;
kw;Wk; xyp khriljy; Nghd;wtw;iwf; Fiwg;gjw;Fk; vkf;F rl;l MNyhrid ngw
KbAk;. .,y;yhtpbd; rl;lj;ij mKy;gLj;Jtjd; %yk; Rw;whly; khriljiyf;
Fiwf;f KbAk;.
ngUk;ghYk; gy;NtW tpjkhd fopTg; nghUl;fs; ePupYk; epyj;jpYk;
Nru;f;fg;gLtjhNyNa ePu; kw;Wk; kz; khrilfpwJ. ePuhdJ ,aw;if fhuzq;fspdhYk;
kf;fs; ghtidf;F nghUj;jkw;wjhf khWfpwJ.
,t;thwhd gy;NtW topfspy; ePu;> kz; khriljy; ePz;l fhykhf kdpju;fsJ
Rfhjhuj;jpw;Fk;> #oYf;Fk; ghjpg;ig Vw;gLj;;;;;;;;;;jpf; nfhz;bUf;fpd;wJ. vdNt ePu;>
kz; Nghd;wit khriljYf;fhd fhuzpfisf; nfhz;Ls;sjh vd;gijf;
fz;lwptjw;F gy msTNfhy;fs; gpd;gw;wg;gLfpd;wd. ,j;juepu;zakhdJ
ru;tNjruPjpahf (ISO) vdTk; ,yq;ifapy; (SLS) vdTk; Fwpg;gplg;gLk;.
,J jtpu gy;NtW epWtdf; FiwghLfs;> nghUj;jkpy;yhj nfhs;iffisg;
gpd;gw;Wjy; kw;Wk; rl;lk; rupahf mKy;gLj;jg;glhik vd;gd gutyhf Rw;whly;
moptpw;F fhuzkhfpd;wd. vkJ ehl;by; Rw;whly; rl;lkhdJ mKy;gLj;jg;glhik
Nghd;witAk; kf;fs; kj;jpapy; fhzg;gLfpd;w rpf;fyhd nghUshjhuj; jd;ik
vd;gdTk; ,jd; kPJ jhf;fj;ij Vw;gLj;Jfpd;wd vd;gJk; njspthfpd;wJ.
Rj;jkhd #oypy; tho;tjw;fhd mbg;gil cupik vk; midtUf;Fk;
,Uf;fpd;wJ. mNj Nghy; ehk; Kfq;nfhLf;fpd;w Vida gpur;rpidfs;> Rw;whly;
njhlu;ghd gpur;rpidfs; Nghd;wtw;wpw;Fk; rl;l cjtp ngw;Wf; nfhs;tjw;Fk; vk;
midtUf;Fk; cupik ,Uf;fpwJ.
ve;j tifapyhtJ rw;whlYf;F ahNjDk; ghjpg;G Vw;gLkhapd; mjd; %yk;
Vw;gLk; Nrjj;ijf; Fiwj;Jf;nfhs;tjw;fhf gpd;gw;w Ntz;ba topKiwfs; gy
,d;W fhzg;gLfpd;wd.
cjhuzkhf gy;NtW mgptpUj;jp Ntiyfspd; NghJ my;yJ Rw;whlYf;F
ghjpg;ig Vw;gLj;jf; $Lk; vd vjpu;ghu;f;Fk; Vida kdpj nraw;ghLfspd; NghJ
gpd;gw;w Ntz;ba eltbf;iffSs; “Rw;whly; jhf;f kjpg;gPl;L mwpf;if” (EIA)
vd;gjw;F gpd;tUkhW tiutpyf;fzk; $wKbAk;.
cj;Njr Fwpg;gpl;l nraw;jpl;lj;jpdhy; vjpu;ghu;f;fg;gLfpd;w Rw;whly; ghjpg;G
cs;slf;fg;gLtJld; Rw;whly; nryT> gad;> gw;wpa gFg;gha;T mwpf;if
jahupf;fg;gl;bUg;gpd; mjpy; cs;slf;fg;gl;Ls;s cj;Njr Fwpg;gpl;l nraw;jpl;lj;jpy;
jtpu;j;Jf; nfhs;sf; $ba jtpu;f;f Kbahj Rw;whly; ghjpg;G njhlu;ghd tpgunkhd;Wk;
kpfTk; rpwpa mstpy; Rw;whlYf;F ghjpg;ig Vw;gLj;jf; $ba nraw;ghl;bw;fhd
155
khw;W topfSk; mk;khw;Wtopfs; vf;fhuzj;jhy; epuhfupf;fg;gl;ld vd;gJ gw;wpa
tpguKk; cj;Njr Fwpg;gpl;l nraw;jpl;lj;jpw;F Njitahd tsq;fspy; khw;wf;$ba
khw;wKbahj Vw;Wf; nfhs;s Kbahj ,zf;fk; gw;wpa tpguKk; mlq;Fk;.
tsp khrilAk; re;ju;g;gq;fspy; mijj; jLg;gjw;fhd Njrpa kw;Wk; ru;tNjr
ju msTfs; gad;gLj;jg;gLk; re;ju;g;gq;fs; cs;sd. cjhuzkhf Nkhl;lu;
thfdnkhd;wpd; cupj;jhsu; my;yJ mijg; gad;gLj;Jgtupdhy; NjitNaw;gLk;
NghJ thfdj;jpd; thA ntspNaw;w msTfs; rupahfTs;sjh vd;gJ gw;wpa
rhd;wpjo; rku;g;gpf;f KbAkhapUj;jy; Ntz;Lk;. fhgNdhnuhl;irl;L> IjNuhfhgd;
gw;wpa thA ntspNaw;w msTfSf;F Vw;w rhd;wpjo;fs; rkHg;gpf;fg;gly; Ntz;Lk;.
mit (ISO 3930-2000) nghUe;Jk; tifapy; ,Uj;jy; Ntz;Lk;.
xyp kw;Wk; rf;jp tiffSk; ngUk;ghYk; Rw;whly; khriltjw;F fhuzkhf
miktJz;L. ,J xyp khriljy; vdf; $wg;gLfpd;wJ. xyp khriljypdhy;
ghjpg;Gf;Fs;shtJ xypia Vw;gLj;JgtNuh my;yJ cw;gj;jp nra;gtNuh my;y
mijf; Nfl;gtUk; maypy; cs;stUNk.
1996 k; Mz;L ,y; 1 If; nfhz;l Njrpa Rw;whly; rl;ljpl;lk; %yk;
,yq;ifapy; mKypy; ,Uf;fNtz;ba xyp gw;wpa ju msTfs; Fwpg;gplg;gl;Ls;sJ.
,jd;gb xyp %yk; Vw;gLk; Rw;whly; khriljiyf; Fiwj;Jf;nfhs;tjw;fhf Rw;whly;
Nrjq;fis msg;gjw;Fk; fzpg;gjw;Fk; topKiwnahd;W Fwpg;gplg;gl;Ls;sJ.
,k;Kiw ISO- 1996, 1990:4142 vd;w gpupj;jhdpa ju msTfSf;F Vw;Gilajhf
,Uf;f Ntz;Lk;. mNjNtis xypia Fiwf;f Ntz;ba msTfs; gpuNjrq;fSf;F
Vw;g khWgLk;. xypahdJ xypia msf;Fk; khdp %yNk msf;fg;gLfpd;wJ.
,t;tyF |njrpgy; vdg;gLk;. cjhuzkhf gpuNjr rig vy;iyf;Fs;
mike;Js;s gpuNjrq;fspy; gfy; Ntisapy; rj;jkhdJ $ba ,iur;ry;) 55
njrpgy; MtNjhL ,uT Ntisfspy; ,iur;ry; 45 njrpgy; Mf ,Uj;jy; Ntz;Lk;.
,aw;if mdu;j;jq;fs;,aw;if mdu;j;jq;fs;,aw;if mdu;j;jq;fs;,aw;if mdu;j;jq;fs;,aw;if mdu;j;jq;fs; kdpjDf;Fk; fl;blq;fSf;Fk; ghupa mstpy; ghjpg;ig Vw;gLj;jf;
$ba ,aw;if epfo;Tfs; ,aw;if mdu;j;jq;fs; vd miof;fg;gLk;. ,t;tpaw;if
mdu;j;jq;fSs; ghupa mstpy;; nry;thf;F nrYj;Jk; ,aw;if mdu;j;jq;fshf
nts;sk;> #whtsp> Rdhkp> GtpeLf;fk; kz;rupT> kpd;dy; jhf;F Nghd;wd Kf;fp
aj;Jtk; ngWfpd;wd.
nts;sk;nts;sk;nts;sk;nts;sk;nts;sk;
MWfs;> mUtpfs; epuk;gp rpwpa my;yJ ngupa mstpy; ePNuhl;lq;fs; xU
gpuNjrj;jpd; Clhf nkJthfNth> NtfkhfNth gha;e;J nry;Yjy; nts;sk; vd
miof;fg;gLk;. Mnwhd;wpd; ngsjPf mikg;Gk;> fhyepiy khw;wKk; nts;sk;
Vw;gLtjw;fhd gpujhd fhuzpfshFk;. nts;sk; Vw;gLtjpy; nry;thf;F
nrYj;Jk; fhuzpfSf;F Vw;g nts;sk; Vw;gLjiy ,U gpupTfshfg; gpupf;fyhk;.
1. ,aw;if nts;sk;
2. nraw;if nts;sk;
,aw;if nts;sk;,aw;if nts;sk;,aw;if nts;sk;,aw;if nts;sk;,aw;if nts;sk;
mjpf kio nghoptjhy; fpilf;Fk; ePiu ePu; ghAk; topfspd;
Clhf ntspNaw;w Kbahky; NghFk; NghJ Njhd;Wk; nts;sk; ,aw;if
nts;sk; vd miof;fg;gLk;. ,aw;if nts;skhdJ kionghopAk; fhy
156
vy;iy> mjd; nrwpT fhyepiy> Gtpapd; mikg;G vd;gtw;wpy; jq;fpAs;sJ.
cyfpy; jw;NghJ %d;W tifahd gpujhd ,aw;if nts;sq;fs;
,dq;fhzg;gl;Ls;sd.
1. MWfshy; Njhw;Wtpf;fg;gLk; nts;sk;MWfshy; Njhw;Wtpf;fg;gLk; nts;sk;MWfshy; Njhw;Wtpf;fg;gLk; nts;sk;MWfshy; Njhw;Wtpf;fg;gLk; nts;sk;MWfshy; Njhw;Wtpf;fg;gLk; nts;sk;
,J mjpf kiotPo;r;rp fhuzkhfTk; Mw;Wg;gLf;iffspy; kz; gbe;J
fhzg;gLtjhy; MWfs; epuk;gp toptjhYk; Njhd;Wk; nts;skhFk;..
2. kiyg; gpuNjrq;fspy; Njhd;Wk; jpBu; nts;sk;2. kiyg; gpuNjrq;fspy; Njhd;Wk; jpBu; nts;sk;2. kiyg; gpuNjrq;fspy; Njhd;Wk; jpBu; nts;sk;2. kiyg; gpuNjrq;fspy; Njhd;Wk; jpBu; nts;sk;2. kiyg; gpuNjrq;fspy; Njhd;Wk; jpBu; nts;sk;
,J kiyg; gpuNjrq;fspy; Njhd;Wk; mjpf kioapd; fhuzkhf
kiyg; gs;sj;jhf;Ffs; epuk;gp topAk; NghJ Vw;gLk; nts;sk; MFk;. ( Fspu;
ehLfspy; gdpf;fl;b cUFtjhy; Vw;gLk;.)
3. flw;fiuNahuq;fspy; fly; ngUFtjhy; Vw;gLk; nts;sk;3. flw;fiuNahuq;fspy; fly; ngUFtjhy; Vw;gLk; nts;sk;3. flw;fiuNahuq;fspy; fly; ngUFtjhy; Vw;gLk; nts;sk;3. flw;fiuNahuq;fspy; fly; ngUFtjhy; Vw;gLk; nts;sk;3. flw;fiuNahuq;fspy; fly; ngUFtjhy; Vw;gLk; nts;sk;
,J> Rdhkp> tw;Wg; ngUf;F> #whtsp> gUt fhyk;
Nghd;wtw;wpdhy; fly; miyfs; ngupjhf NknyOe;J fly; ePu; epyj;ij
miljyhy; Njhd;Wk; nts;sk; MFk;.
Nkw;Fwp;g;gpl;l vy;yh KiwfspYk; ,yq;ifapy; nts;sk;
Vw;gLfpd;wJ.
nraw;if nts;sk;nraw;if nts;sk;nraw;if nts;sk;nraw;if nts;sk;nraw;if nts;sk; (Flash Floods)
VjhtJ xU gpuNjrj;jpw;F fpilf;Fk; ePu; nry;Yk; ghijfs; jilg;gLtjhy;
,aw;if ePu; cwpQrg;glhik my;yJ Njq;Fjy;;> epuk;Gjy; Nghd;w fhuzpfshy;
rpwpa kiotPo;r;rpapd; NghJk; $l epyj;jpd; Nky; cs;s ePu; kl;lk; NknyOtjhy;
Njhd;Wk; nts;sk; nraw;if nts;sk; vdg;gLk;. nraw;if nts;sk; Vw;gLtjw;F
kdpj nraw;ghLfNs fhuzkhFk;.
cjhuzkhf ejpfspd; ghijfspd; FWf;fhf gy;NtW fl;Lkhdq;fs;
fl;lg;gly;. ,t;thwhditNa nfhOk;igAk; mjid mz;kpa efug;gpuNjrq;fspYk;
nts;sq;fs; Vw;gLtjw;fhd fhuzq;fshFk;.
nts;sj;jhy; Vw;gLk; ghjpg;Gf;fis ,opthf;fy;nts;sj;jhy; Vw;gLk; ghjpg;Gf;fis ,opthf;fy;nts;sj;jhy; Vw;gLk; ghjpg;Gf;fis ,opthf;fy;nts;sj;jhy; Vw;gLk; ghjpg;Gf;fis ,opthf;fy;nts;sj;jhy; Vw;gLk; ghjpg;Gf;fis ,opthf;fy;
,J ,uz;L Kiwfspy; nra;ag;gLfpd;wJ.
1. Kfhikj;Jtj; jPu;Tfisg; gad;gLj;jy;.;
2. njhopDl;g jPu;Tfisg; gad;gLj;jy;.
Kfhikj;Jtj; jPu;TKfhikj;Jtj; jPu;TKfhikj;Jtj; jPu;TKfhikj;Jtj; jPu;TKfhikj;Jtj; jPu;T
1. nts;sk; Vw;glf;$ba gpuNjrk;> mjd; ghjfkhd tpisTfs; gw;wp kf;fSf;F
mwpT Cl;ly;
2. nts;sg; ngUf;Ff;Fk; mjdhy; Vw;gLk; tpguPjq;fSf;Fk; Kfq;nfhLf;ff;$ba
tpjj;jpy; Kd; Maj;jk; nra;jy;
3. ejpfspd; ,U kUq;fpYk; ghJfhg;Gg; gpuNjrq;fis mikj;jy;
4. ejpfspd; ,U kUq;fpYk; Gw;wiufisAk; fhLfisAk; jhgpj;jy;.
5. nts;sg; ngUf;F gw;wp Muha;e;J mJ gw;wpa vjpu;T $wy;fis ntspaply;
njhopEl;gj; jPu;TnjhopEl;gj; jPu;TnjhopEl;gj; jPu;TnjhopEl;gj; jPu;TnjhopEl;gj; jPu;T
ejpfSf;fUfpy; Vw;gLk; nts;sg; ngUf;iff; fl;Lg;gLj;Jtjw;F gy;NtW
157
njhopEl;g Kiwfisg; gad;gLj;jy;
cjhuzk;: ejpfspd; ,U kUq;fpYk; fl;Lkhdq;fis epu;khzpj;jy;
ejpfSf;fz;ikapy; ePu;j; jlhfq;fis mikj;J ePiur;
Nrkpj;Jitj;jy;.
,t;thwhd gy;NtW njhopDl;g jPu;Tfs; ,yq;ifapd; gy;NtW ejpfis
mbg;gilahff; nfhz;L mikf;fg;gl;Ls;sd.
GtpeLf;fk; Njhd;wy;GtpeLf;fk; Njhd;wy;GtpeLf;fk; Njhd;wy;GtpeLf;fk; Njhd;wy;GtpeLf;fk; Njhd;wy;
Gtpapd; mikg;ig %d;W gpujhd gFjpfshfg; gpupf;fyhk;.
i GtpNahL GtpNahL GtpNahL GtpNahL GtpNahL
cilaf;$ba jfilf; nfhz;l ,J 5-40 km tiu jbg;GilaJ.
ii. nkd;%b nkd;%b nkd;%b nkd;%b nkd;%b (mantle)
GtpNahl;bw;F cl;Gwkhf cs;s gFjpahFk;. ,jd; jbg;G 2885
km MFk;.
iii. Gtp mfzp Gtp mfzp Gtp mfzp Gtp mfzp Gtp mfzp
,J jpz;kg; nghUshyhd ntspg;gFjpiaAk; jputg; nghUspyhd
cl;gFjpiaAk; nfhz;lJ.
fbdkhd nghUspyhd Gtpapd; ntspf;NfhskhdJ fw;Nfhsk; vd
miof;fg;gLtJld; ,e;j fw;Nfhsk; gy gFjpfis cs;slf;fpaJ> mjd; fPo;
fhzg;gLgit ghjp jput epiyapy; fhzg;gLk;. mjhtJ mfzpapy; kpje;J fhzg;gLk;.
vdNt Gtpj;jl;Lfspd; miktplk; mbf;fb khWgLk;. (tUlj;jpw;F10 cm msT)
,e;j gFjpapd; rf;jp rLjpahf ntspg;gLk; NghJ GtpeLf;fk; Vw;gLfpd;wJ.
ePz;lfhyj;jpw;F xd;Wld; xd;W njhlu;ghf ,Ue;j Gtpj;jl;Lf;fspd; miktplk;
khWgLk; NghJ ntspaplg;gLk; rf;jp ngupa ntbg;G Vw;gl;L ghupa Gtp eLf;fk;
Vw;gLfpd;wJ.
,t;thW GtpeLf;fk; Vw;gLtjw;F nghJthd Gtpj;jl;L ,af;fk; %d;W
Kiwfspy; ,lk;ngwyhk;.
1. tpuptilAk; jfl;L tiug;ghL 1. tpuptilAk; jfl;L tiug;ghL 1. tpuptilAk; jfl;L tiug;ghL 1. tpuptilAk; jfl;L tiug;ghL 1. tpuptilAk; jfl;L tiug;ghL (Divergent Plate Boundary)
flypDs; gutyhff; fhzg;gLtNjhL ,q;F Gtpj;jl;Lf;fs; ,uz;L gf;fkhfTk;
js;sg;gLtjd; %yk; GtpapDs; cs;s ntg;gkhd jputg;gFjp Nky; vOk;.
2. ,lkhw;Wj;jfl;L tiug;ghL (2. ,lkhw;Wj;jfl;L tiug;ghL (2. ,lkhw;Wj;jfl;L tiug;ghL (2. ,lkhw;Wj;jfl;L tiug;ghL (2. ,lkhw;Wj;jfl;L tiug;ghL (Transfer Plate Boundary)
,q;F Gtpj;jfLfs; xd;Wf;F xd;W rhu;ghf fpilahf tOf;Fjy; epfOk;.
3. Ftpthd jfl;L tiug;ghL 3. Ftpthd jfl;L tiug;ghL 3. Ftpthd jfl;L tiug;ghL 3. Ftpthd jfl;L tiug;ghL 3. Ftpthd jfl;L tiug;ghL (Convergent Plate Boundary)
,q;F jfLfs; xd;wpDs; xd;W nry;Yk;. ,t;thW jfLfs; xd;Wld; xd;W
NkhJk; NghJ Njhd;Wk; ghupa mjpu;tpd; %yk; Rdhkp Vw;gLk;.
RdhkpRdhkpRdhkpRdhkpRdhkp
fly; ePu; epuy;fs; fpilahf ,lg;ngau;r;rp miltjhy; cw;gj;jpahFk;
miyfspd; tupir vdg;gLk; miyj;njhlu; Rdhkp vd miof;fg;gLk;. ,e;j Rdhkp
miyfs; flypypUe;J epyj;ijailAk; NghJ rhjhuz miyia tpl
NtWgl;ljhftpUf;Fk;.
rhjhuz miyapd; miy tbtk; cauj;jpy; Fiwe;jJ epyj;ij mile;J
158
kPz;Lk; fliyailAk;. miyapd; miy ePsk; mz;zsthd 3-16 cm MFk;.
Rdhkp miyfs; rhjhuz miyia tpl tpj;jpahrkhtNjhL Neu;NfhlhfTk;
fhzg;gLk;. mtw;wpd; miy ePsk; 100 Kjy; 1000 km MtNjhL rhjhuz miyfisg;
Nghd;W Ntfkhf jiuia Nehf;fp gazk; nra;Ak;. Mokhd flypy; Rdhkp
miyfs; cauk; Fiwe;jjhf ,Uf;Fk;. vdpDk; ( 3-10 m ) fiuia mz;kpj;jJk;
mjd; cauk; mjpfupf;Fk;. ( 10-30 m ).
Rdhkp xd;W Njhd;Wtjw;F flw;fiuf;F mz;kpj;j flypy; Gtp eLf;fk; Njhd;wy;
Ntz;Lk;. mj;Jld; mjd; gUkd; upr;lu; mstpy; 7.8 I tplf; $ba ngWkhdj;ijf;
nfhz;bUj;jy; Ntz;Lk;.
Rdhkp Njhd;wf; $ba re;ju;g;gq;fs;Rdhkp Njhd;wf; $ba re;ju;g;gq;fs;Rdhkp Njhd;wf; $ba re;ju;g;gq;fs;Rdhkp Njhd;wf; $ba re;ju;g;gq;fs;Rdhkp Njhd;wf; $ba re;ju;g;gq;fs;
i. flypd; mbapy; epyeLf;fk; cz;lhjy;
ii. flypd; mbapy; Gtpj;jfLfs; miyjy;
iii. fly; Nkw;gug;gpy; vw;gLk; epyr;rupT
iv. fly; mbapy; Vw;gLk; vupkiy ntbg;G
v. thd; nghUl;fs; ePupy; tpOtjd; %yk;
vi. flypy; Nkw;nfhs;sg;gLk; fUr; rf;jp Muha;r;rpfs; %yk;
Rdhkp epiyia Kd;$l;bNa mwpe;J nfhs;sy;Rdhkp epiyia Kd;$l;bNa mwpe;J nfhs;sy;Rdhkp epiyia Kd;$l;bNa mwpe;J nfhs;sy;Rdhkp epiyia Kd;$l;bNa mwpe;J nfhs;sy;Rdhkp epiyia Kd;$l;bNa mwpe;J nfhs;sy;
1. ,aw;if epfo;Tfis mtjhdpg;gjd; %yk; ( fhyepiy> #oypy; Vw;gLk;
khw;wq;fs; Nghd;wd)
2. tpQ;Qhd njhopDl;g cgfuzq;fspd; mbg;gilapy;
Rdhkpapdhy; Vw;gLk; ghjpg;Gf;fhd ,opthf;fpf;nfhs;sy;Rdhkpapdhy; Vw;gLk; ghjpg;Gf;fhd ,opthf;fpf;nfhs;sy;Rdhkpapdhy; Vw;gLk; ghjpg;Gf;fhd ,opthf;fpf;nfhs;sy;Rdhkpapdhy; Vw;gLk; ghjpg;Gf;fhd ,opthf;fpf;nfhs;sy;Rdhkpapdhy; Vw;gLk; ghjpg;Gf;fhd ,opthf;fpf;nfhs;sy;
1. njhopDl;g Kiwfs;
2. Kfhikj;Jt jPu;Tfis gad;gLj;Jtjd; %yk;
njhopDl;gj; jPu;TfsnjhopDl;gj; jPu;TfsnjhopDl;gj; jPu;TfsnjhopDl;gj; jPu;TfsnjhopDl;gj; jPu;Tfs;
i. Rdhkp mdu;j;j mwptpg;Gj; njhFjpia epWTjy;
ii. flyupg;G Vw;gLk; gFjpfspy; ghJfhg;G Ntyp mikj;jy;
iii. Rdhkpahy; ghJfhg;G ngWtjw;fhf ghJfhg;ghd ,lq;fis mikj;jy;
iv. flw;fiuapYs;s fl;blq;fis Rdhkpf;Fj; jhf;Fg; gpbf;ff; $bajhf
mikj;jy;
Kfhikj;Jt jPu;Tfs;Kfhikj;Jt jPu;Tfs;Kfhikj;Jt jPu;Tfs;Kfhikj;Jt jPu;Tfs;Kfhikj;Jt jPu;Tfs;
i. Rdhkp gw;wp nghJ kf;fis Kd;$l;bNa mwpTWj;jy;
ii. fiuNahug; ghJfhg;Gg; gw;wp nghJkf;fSf;F mwpTWj;jYk; mjpy;
<LgLj;jYk;
iii. fiuNahug; ghJfhg;G tyaq;fisg; ngauply;
epyr;rupT epyr;rupT epyr;rupT epyr;rupT epyr;rupT / kz; rupT kz; rupT kz; rupT kz; rupT kz; rupT
gy;NtW fhuzpfshy; Gtpapy; Vw;gLk; gy;NtW rpijTfs; epyr;rupT vdg;
miof;fg;gLk;. epyr;rupT ,aw;if epfo;Tfspd; gf;f tpisthfTk; ( c-k; mjpf
kiotPo;r;rp) gy;NtW kdpj nraw;ghLfspd; fhuzkhf Vw;gLk; ghjpg;Gf;fs; (c-k;
ghupa fhLfis mopj;jy;) %yKk; Njhd;wyhk;.
epyr;rupT nghJthf rha;thd kiyg; gpuNjrq;fspNyNa Vw;gLfpd;wJ.
159
fpilapypUe;J 20o Kjy; 30o tiu rupthd kiyg; gpuNjrq;fspNyNa gutyhf
epyr;rupT Vw;gLfpd;wJ.
epyr;rupT gw;wp vjpu;T $WtJ rpukkhdJ. vdpDk; kz;zupg;gpw;F cs;shff;
$ba gpuNjrq;fs; Gtpapay; tpQ;Qhdpfs; %yk; ,dq;fhzg;gl;Lk; cs;sd. epyr;rupit
gy;NtW mwpFwpfs; %yKk; ,dq;fz;Lnfhs;s KbAk;.
c-k; Gtpapd; Nkw;gug;gpy; gy;NtW ntbg;Gf;fs; Njhd;wy;; GJ ePu; Cw;Wf;fs;
Njhd;wy;
epyr; rupitj; jLj;jy;epyr; rupitj; jLj;jy;epyr; rupitj; jLj;jy;epyr; rupitj; jLj;jy;epyr; rupitj; jLj;jy;
,jw;fhf gy;NtW #oy; ghJghg;G Kiwfs; gpd;gw;wg;glyhk;.
c-k; tptrha epyq;fspy; fOtpr; nry;yiyj; jLf;f gy;NtW jhtuq;fisAk;
Ntypahf mikj;jy;
epyr;ruptpd; NghJ Vw;gLk; ghjpg;Gf;fis ,optsthf;fy;epyr;ruptpd; NghJ Vw;gLk; ghjpg;Gf;fis ,optsthf;fy;epyr;ruptpd; NghJ Vw;gLk; ghjpg;Gf;fis ,optsthf;fy;epyr;ruptpd; NghJ Vw;gLk; ghjpg;Gf;fis ,optsthf;fy;epyr;ruptpd; NghJ Vw;gLk; ghjpg;Gf;fis ,optsthf;fy;
epyr;rupT Vw;gLk; re;ju;g;gq;fspy; Vw;w ghJfhg;G Kiwfisg; gpd;gw;wy;
kpd;dy;kpd;dy;kpd;dy;kpd;dy;kpd;dy;
Kfpy;fspDs;Nsh Kfpy;fSf;fpilapNyh Kfpy;fSf;Fk; Gtpf;Fk; ,ilapNyh
Vw;gLk; kpd;dpwf;fk; my;yJ kpd;Ndhl;lk; kpd;dy; vd miof;fg;gLk;. ,e;j ,aw;if
epfo;T rhjhuz tof;fpy; ,b vdTk; miof;fg;gLfpd;wJ.
kpd;dy; Njhd;Wk; Kiwkpd;dy; Njhd;Wk; Kiwkpd;dy; Njhd;Wk; Kiwkpd;dy; Njhd;Wk; Kiwkpd;dy; Njhd;Wk; Kiw
tspkz;lyj;jpy; fhzg;gLk; Kfpy;fSs; jpuz;Kfpy; vd miof;fg;gLk; Kfpy;fNs
kpd;diyj; Njhd;wr; nra;tjpy; Kf;fpaj;Jtk; ngWfpd;wd. ,k;Kfpy;fs; GtpapypUe;J
500m Kjy; 10km tiu caukhd gFjpapy; guk;gpapUf;Fk;. ,t;tifahd Kfpy;fspd;
fPo;g;gFjp kiw (-) Vw;wk; nfhz;ljhfTk; Nkw;gFjp Neu; (+) Vw;wk; nfhz;ljhfTk;
fhzg;gLk;.
,t;thW Njhd;Wk; kpd; Vw;wq;fspd; %yk; Vw;gLk; kp;d;dpwf;fk; fhuzkhf gpujhdkhd
%d;W tif kpd;dy;fs; Njhd;wyhk;.
1. Kfpy;fspDs; Vw;gLk; kpd;dy;1. Kfpy;fspDs; Vw;gLk; kpd;dy;1. Kfpy;fspDs; Vw;gLk; kpd;dy;1. Kfpy;fspDs; Vw;gLk; kpd;dy;1. Kfpy;fspDs; Vw;gLk; kpd;dy;
Kfpy; xd;wpDs; fhzg;gLk; Vw;wq;fSf;fpilapyhd kpd;dpwf;fk;
2. Kfpy;fSf;fpilapyhd kpd;dy;2. Kfpy;fSf;fpilapyhd kpd;dy;2. Kfpy;fSf;fpilapyhd kpd;dy;2. Kfpy;fSf;fpilapyhd kpd;dy;2. Kfpy;fSf;fpilapyhd kpd;dy;
Kfpy; xd;wpDs; cs;s Vw;wj;jpw;Fk; kw;nwhU KfpypDs; cs;s
Vw;wj;jpw;Fk; ,ilNa eilngWk; kpd;dpwf;fk;
3. Gtp kpd;dy;3. Gtp kpd;dy;3. Gtp kpd;dy;3. Gtp kpd;dy;3. Gtp kpd;dy;
Kfpy; xd;wpd; fPOs;s kiw ( - ) Vw;wj;jpw;Fk; Gtp Nkw;gug;gpy;
cs;s Neu; ( + ) Vw;wj;jpw;Fk; ,ilapy; epfOk; kpd;dpwf;fk;
jpuz; Kfpy;fs; %yk; kpd;dy; Njhd;Wk; Kiwjpuz; Kfpy;fs; %yk; kpd;dy; Njhd;Wk; Kiwjpuz; Kfpy;fs; %yk; kpd;dy; Njhd;Wk; Kiwjpuz; Kfpy;fs; %yk; kpd;dy; Njhd;Wk; Kiwjpuz; Kfpy;fs; %yk; kpd;dy; Njhd;Wk; Kiw
Nkw;Fwpg;gpl;l kpd;dy;fspy; Kfpy; kpd;dYk; ,il kpd;dYk; Gtpia
neUq;Ftjpy;iyahjyhy; mtw;wpd; jhf;fk; Fwpj;J mQ;rj; Njitapy;iy. vdpDk;
Gtp kp;d;dy; 2500 mk;gpau; mstpyhd kpd;Ndhl;lk; xd;iwg; Gtpia Nehf;fpf;
nfhz;L nry;fpd;wJ. jpuz; Kfpy; %yk; Njhw;Wtp;f;fg;gLk;; kpd;dypdhy; 500
160
kpy;ypad; thw;W rf;jp Njhw;Wtpf;fg;gLfpd;wJ.
fhyepiy mtjhdpg;G mwpf;iffspd; gb ,yq;ifapy; Kjy; ,ilg;gUt
fhyj; ( khu;r;-Vg;uy; ) jpYk; ,uz;lhk; ,ilg; gUt fhyj;jpYk; ( xf;Nlhgu;-
etk;gu;) kpd;dy; Vw;gLtNjhL ,e;j mdu;j;jk; khiy Ntisapy; epfo;fpwnjdTk;
mtjhdpf;fg;gLfp;d;wJ. mj;Jld; ,yq;ifapy; kp;d;dy; Njhd;Wk; gpuNjrq;fspy;
mjpf kiotPo;r;rpAk; ngwg;gLk;. njd;Nkw;Fg; gpuNjrj;jpNy kpd;dy; jhf;fk; mjpfkhFk;
vd;Wk; njspT.
kpd;dy; %yk; Vw;glf;$ba mdu;j;jq;fs;kpd;dy; %yk; Vw;glf;$ba mdu;j;jq;fs;kpd;dy; %yk; Vw;glf;$ba mdu;j;jq;fs;kpd;dy; %yk; Vw;glf;$ba mdu;j;jq;fs;kpd;dy; %yk; Vw;glf;$ba mdu;j;jq;fs;
1. capupog;G ( kdpju;fSf;Fk; NtW tpyq;FfSf;Fk; capu; ,og;G Vw;gLJld;>
NtW cly; cghijfSf;Fk; cs;shf Ntz;btUk;.)
2. gy;NtW cilikfSf;F ghjpg;G Vw;gly; (jhtuq;fSf;Fk;> fl;blq;fSf;Fk;)
kp;d;dy; %yk; Vw;glf;$ba mdu;j;jq;fis ,opthf;fy;kp;d;dy; %yk; Vw;glf;$ba mdu;j;jq;fis ,opthf;fy;kp;d;dy; %yk; Vw;glf;$ba mdu;j;jq;fis ,opthf;fy;kp;d;dy; %yk; Vw;glf;$ba mdu;j;jq;fis ,opthf;fy;kp;d;dy; %yk; Vw;glf;$ba mdu;j;jq;fis ,opthf;fy;
1. kpd;dy; gutyhf Vw;gLk; fhyq;fspy; mJ gw;wp Kd;ndr;rupf;ifAld;
,Uj;jy;
2. kpd;dy; Vw;gLk; re;ju;g;gq;fspy; gy;NtW ghJfhg;G topKiwfisg; gpd;gw;wy;
3. fl;blq;fspy; kpd;dw; flj;jpfisAk; cau; kpd;Ndhl;l khwy;khdpfisAk;
( High Current Vario Meger) gad;gLj;jy;
kpd;dw;flj;jp %yk; kp;d;dypdhy; fl;blq;fSf;F Vw;glf;$ba ghjpg;Gf;fs;
jtpu;f;fg;gLtJld; njhiyNgrp kw;Wk; rkpf;iQf; fUtpfspd; Clhf fl;blq;fspDw;
nry;Yk; cau; Nthy;w;wsT kpd;Ndhl;lq;fspd; Xl;lg; ghij khw;wg;gl;L Gtpia
Nehf;fpr; nrYj;jg;gLk;.
kpd;dy; Xl;lk; kdpju;fisAk; NtW tpyq;FfisAk; cilikfisAk;kpd;dy; Xl;lk; kdpju;fisAk; NtW tpyq;FfisAk; cilikfisAk;kpd;dy; Xl;lk; kdpju;fisAk; NtW tpyq;FfisAk; cilikfisAk;kpd;dy; Xl;lk; kdpju;fisAk; NtW tpyq;FfisAk; cilikfisAk;kpd;dy; Xl;lk; kdpju;fisAk; NtW tpyq;FfisAk; cilikfisAk;
milAk; Kiw milAk; Kiw milAk; Kiw milAk; Kiw milAk; Kiw
1. Kfpy;fspypUe;J Neubahf miljy;. ,J Neubj;jhf;fk; vdg;gLk;.
2. kpd;dy; jhf;fj;jpw;Fl;gl;l nghUs; xd;wpd; Clhf kpd; Xl;lk; NtnwhU
nghUis miljy;. ,J ,U gf;f kpd;dy; jhf;fk; vd miof;fg;gLk;.
3. kpd;dy; jhf;fj;jpw;Fl;gl;l my;yJ kpd;dy; Xl;lk; xd;W Gtpia milAk;
nghUs; xd;iwj; njhLtjd; %yk; miljy;. ,J njhLif mOj;jk;
vdg;gLk;.
4. Gtpia Nehf;fpr; nry;Yk; kp;d;dy; Xl;lk; xd;W Gtpapd; Nkw;gug;gpy;
nry;Yk; kdpjdpd; my;yJ tpyq;Ffspd; njhLifapy; cs;s ghjq;fspd;
Clhf miljy;. ,J ftl;L mOj;jk; vd miof;fg;gLk;.
5. gy;NtW cgfuzq;fSlDk;> fl;blq;fSlDk; njhLf;fg;gl;bUf;Fk;
njhLf;fg;gl;Ls;s kpd; tlq;fspd; Clhf mjp cau; cNthw;wsTs;s
kpd;Ndhl;lk; xd;W miljy;. ,J mjpAau; kpd;Ndhl;l CLflj;jy; vd
miof;fg;gLk;.
,aw;if mdu;j;jq;fs; %yk; fle;j fhyq;fspy; cyfpd; gy;NtW
gpuNjrq;fspy; ngupa ghjpg;Gf;fs; Vw;gl;Ls;sd. ,g;ghjpg;Gf;fSs; kdpj capupog;G>
tpyq;Ffspd; ,og;G> cilikfspd; ,og;G> #oYf;F Vw;gl;Ls;s ghupa ghjpg;Gf;fs;
161
vd;gd Kf;fpa ,lj;ijg; ngWfpd;wd.
10. ghJfhg;Gk; ju epu;zaKk;10. ghJfhg;Gk; ju epu;zaKk;10. ghJfhg;Gk; ju epu;zaKk;10. ghJfhg;Gk; ju epu;zaKk;10. ghJfhg;Gk; ju epu;zaKk;
kdpjd; jdJ md;whl Ntiyfisr; nra;Ak; NghJ gytpjkhd
tpgj;Jf;fis vjpu;Nehf;Ffpd;whd;. ngUk;ghyhd tpgj;Jf;fSf;fhd fhuzq;fis
MuhAk; NghJ tpgj;Jf;fs; Vw;glf; fhuzkhFk; 2 tplaq;fisg; gpd;tUkhW
Fwpg;gplyhk;.
1. mwpahik
2. ftdaPdk;
tpgj;Jf;fspdhy; cly;uPjpahd my;yJ clikuPjpahd ,og;Gfs; vw;glf;$Lk;.
rpyrkak; capupog;Gf;fs; Vw;glTk; $Lk;. NtWrpy rkaq;fspy; ,j;jifa vy;yh
,og;Gf;fSk; ,lk; ngwTk; $Lk;. MfNt rupahf mwpe;jpUj;jy;> ftdkhfr;
nraw;gly; Mfpad %yk; vw;glf;$ba ngUk;ghyhd tpgj;Jf;fisj; jtpu;j;Jf;
nfhs;syhk;.
mj;jifa mwpT+l;ly; Kiwapay;fs; %yk; ,g;NghJ eilngWk; tpgj;Jf;fspy;
80% Ij; jtpu;j;Jf;nfhs;syhk; vd;gJ Ma;thsu;fspd; fUj;jhFk;. ajhapDk;
Ntiynahd;iwr; nra;Ak; NghJ mjidr; rPuhfr; nra;tjw;Fj; jilahf mikAk;
my;yJ mt;Ntiyia KOikahf epWj;Jk;> vjpu;ghuhj epiyia epfo;it tpgj;J
vdf; Fwpg;gplyhk;.
jukw;w MAjq;fs;> fUtpfs;> cgfuzq;fs; Nghd;wtw;iw cgNahfpg;gjdhYk;
tpgj;Jf;fs; Vw;gLk;. MfNt mtw;iwj; njupT nra;Ak;; NghJk; ifahSk; NghJk;
rupahd Kiwapay;fisg; gpd;gw;Wjy; Kf;fpakhdjhFk;.
md;whlk; eilngWk; tpgj;Jf;fis gy;NtW tpjkhf tifg;gLj;jyhk;.
kpd;rhuj;jhy; Vw;gLk; tpgj;Jf;fs;> ,ae;jpuq;fspdhy; Vw;gLk; tpgj;Jf;fs;> jP
gw;Wjypdhy; Vw;gLk; tpgj;Jf;fs; vd tpgj;Jf;fis tifg;gLj;jyhk;. jPg;gw;Wjy;
gy tifahf eilngwf;$Lk;. kpd;rhuj;jpdhy; Vw;gLk; jP tpgj;Jf;fs;> Fg;gp
tpsf;Ffs; GuStjhy; Vw;gLk; tpgj;Jf;fs;> thz Ntbf;iffs;> thz ntbfs;
Mfpatw;why; Vw;gLk; tpgj;Jf;fs; vd jP tpgj;Jf;fs; gytifahFk;.
rpy tpgj;Jf;fs; ,aw;if epfo;Tfspdhy; Vw;gLgitahFk;. c-k;- nts;sk;>
epyr;rupT> fhl;Lj;jP> Rdhkp Nghd;wit mtw;wpw; rpythFk;.
kpd;dy; jhf;fj;jpdhYk; tpgj;Jf;fs; Vw;gLk;. mit njhlu;ghf mwpTWj;jy;
toq;fg;gl;l NghJk; mJ njhlu;ghf ftdk; nrYj;jhikahy; ,e;epiy Vw;gLfpd;wJ
. kdpjdpd; Kiwrhuh nraw;ghLfspdhYk; ngUk;ghyhd tpgj;Jf;fs;
Vw;gLfpd;wd. c-k; fhlopj;jy;> kzy; mfo;jy;> fhLfSf;F jP itj;jy; Nghd;wtw;iw
,jw;F cjhuzkhf vLj;Jf; fhl;lyhk;.
tpgj;Jf;fs; vt;thW epfo;e;j NghjpYk; mtw;wpdhy; Vw;gLk; ghjpg;Gf;fs;
ghupaitahFk;. rpy rkak; jdpg;gl;l tho;f;if ghjpg;gila ,J fhuzkhFk;.
tpgj;jpdhy; egupd; cly; CdKwypdhYk; ghupa el;lq;fs; Vw;gLk;.
MfNt mt;thwhd epiyikfspy; ,og;Gf;F MshFk; egu; gw;wp ftdk;
162
nrYj;j Ntz;Lk;.
tpgj;J Vw;gLk; Kd;du; mtw;iwj; jtpu;j;Jf; nfhs;sy; kpf Kf;fpakhdjhFk;.
,jw;fhfg; ghJfhg;G Kd; eltbf;iffs; vLj;jy; fl;lhakhdjhFk;.
tpgj;Jf;fis ,opthf;f ghJfhg;G Kd;ndr;rupf;if eltbf;if vLj;jy;
tpgj;Jf;fisj; jLf;f tpgj;Jf;fs; Vw;glf; $ba rpy re;ju;g;gq;fs; njhlu;ghftpgj;Jf;fisj; jLf;f tpgj;Jf;fs; Vw;glf; $ba rpy re;ju;g;gq;fs; njhlu;ghftpgj;Jf;fisj; jLf;f tpgj;Jf;fs; Vw;glf; $ba rpy re;ju;g;gq;fs; njhlu;ghftpgj;Jf;fisj; jLf;f tpgj;Jf;fs; Vw;glf; $ba rpy re;ju;g;gq;fs; njhlu;ghftpgj;Jf;fisj; jLf;f tpgj;Jf;fs; Vw;glf; $ba rpy re;ju;g;gq;fs; njhlu;ghf
ftdk; nrYj;JNthk;.ftdk; nrYj;JNthk;.ftdk; nrYj;JNthk;.ftdk; nrYj;JNthk;.ftdk; nrYj;JNthk;.
♦ FiwghLfSld; $ba fUtpfis cgNahfpj;jy; c-k; jiy kOq;fpa
Rj;jpay;> $u; kOq;fpa ntl;Lsp Nghd;wtw;iwg; gad;gLj;jy;
♦ tpgj;Jf;fisg; gw;wp vr;rupf;Fk; mwptpg;Gf;fs; gw;wp ftdk; nrYj;jhik>
topfhl;ly;fs; ghJfhg;G cj;jpfs; gw;wp ftdk; nrYj;jhik
♦ fUtpfisr; rPuhfg; nghUj;jhik
♦ kpd; ,izg;Gf;fisg; nghUj;Jk; NghJ I.E.T. tpjpfisg; gpd;gw;whik
♦ ,ae;jpuq;fisj; jhgpf;Fk; NghJ NghjpasT ,ilntsp tplhik>
ju epu;zaj;jpw;F Vw;wthW fl;blq;fisf; fl;lhik
♦ tptrha nraw;ghLfSf;fhf fpUkpehrpdp Nghd;wtw;iwg; gad;gLj;jy;
♦ cgfuzq;fs;> ,ae;jpuq;fs;> fUtpfs; njhlu;ghf njhlu;r;rpahf elj;Jk;
gupNrhjidfisAk; guhkupg;igAk; jtpu;j;jy;
♦ Copau;fisg; gapw;Wtpf;fhik
♦ ,zf;fkhd #oiy Vw;gLj;jhik
♦ Nghjpa fhw;Nwhl;lk; ngwhik
♦ Nghjpa ntspr;rk; ngwhik
♦ KjYjtp gw;wpa mDgtk; ,y;yhik mjw;Fj; Njitahd Rw;whliy
cUthf;fhik
NkNy Fwpg;gpl;l tpgj;Jf;fs; Vw;gLj;jf;$ba epiyikfisf; fl;Lg;gLj;Jtjd;
%yk; tpgj;Jf;fis ,opthf;fyhk;. tpN~lkhf njhopw;rhiyfisj; jpl;lkpLk;
NghJk; gpd;tUk; Kiwapay;fs; gw;wp ftdk; nrYj;Jjy; Kf;fpakhFk;.
♦ fl;blq;fisf; fl;Lk; NghJ mq;F gpd;gw;wg;gLk; njhopDl;g nraw;ghLfSf;F
nghUj;jkhd ju epu;zaq;fis mikj;jy;
♦ ,aw;ifahd fhw;Nwhl;lk;> xsp Mfpatw;iwg; ngWtjw;fhf jpwe;j ntspfis
Vw;gLj;jy;
♦ ,aw;if fhw;Nwhl;lk; Njitaw;w re;ju;g;gq;fspy; nraw;iff; fhw;Nwhl;lk;
rNfhju
CopaUf;F
ehl;Lf;F
r%fj;Jf;F
el;lk; Vw;gLtJ ahUf;F
jdf;F
epWtdk; my;yJ Ntiy
toq;FdUf;F
jq;fp tho;
NthUf;F
163
toq;fy;
♦ ,aw;ifahd ntspr;rk; fpilf;fhj re;ju;g;gq;fspy; nrw;ifaahf kpd;
,zg;Gf;fs; %yk; xspiag; ngWjy;
♦ NghjpasT ,ltrjpAld; ,ae;jpuq;fs;> fUtpfisj; jhgpj;jy;
♦ rpy ,ae;jpuq;fs; fUtpfSf;F rpwg;ghf xsp Njitg;gLk; NghJ
mjw;Nfw;wthW kpd; njhlu;Gfis Vw;gLj;jp jhgpj;jy; tpgj;Jf;fspd; NghJ
ntspNawf;$ba Mgj;J Neu fjTfis epWTjy;
♦ rpy cgfuzq;fs;> fUtpfSf;F tpN~lkhf xsp mtrpakhFk; NghJ
mjw;Nfw;wthW kpd;Rw;Wf;fisj; jpl;lkpl;L epWTjy;
♦ ,ae;jpuq;fs;>nghwpfs; Nghd;wtw;iw epWTk; NghJ Njitaw;w ,iur;ry;>xyp> mjpu;T Vw;glhjthW ,wg;gu; JW (Bush) fspd; kPJ epWTjy
♦ vspjpy;; gpuNtrpf;f ntspNawf;$bathW gpuNtr topfis Vw;gLj;jy;
mjpfk; ,iur;rYld; $ba ,lq;fspy; Copau;fspd; ghJfhg;gpw;fhf
ghJfhg;G cgfuzq;fs; toq;fy;
♦ ifAiwfs;> fhYiwfs; Nghd;wtw;iw toq;fy;> mit
gad;gLj;jg;gLfpd;wdth vd Nkw;ghu;it nra;J ghJfhg;G cj;jpfisg;
gpd;gw;wr; nra;jy;.
♦ ,urhadg; nghUl;fisg; gad;gLj;Jk; nghJ nghUj;jkhd ghJfhg;Gf;
fUtpfisg; gad;gLj;jy;
♦ tptrhaj;jpy; <LgLk; re;ju;g;gq;fspy; Fwpg;ghf fisnfhy;yp> G+r;rpnfhy;yp>
gq;fR nfhy;ypfisg; gad;gLj;Jk; NghJ ghJfhg;G xOq;F
Kiwfisg;gpd;gw;wy;
♦ Mtpg; gug;Gs;s nghUl;fisg; cgNahfpf;Fk; NghJ nghUj;jkhd ghJfhg;G
eltbf;iffisg; gad;gLj;jy;
♦ tptrhaj;jpy; <LgLk; NghJ tpN~lkhf fisnfhy;yp> G+r;rp nfhy;yp> gq;fR
nfhy;yp Nghd;wtw;iwg; gad;gLj;Jk; NghJ ghJfhg;G cj;jpfisg;
gad;gLj;jy; Nkw;gb ,urhadg; gjhu;j;jg; Nghj;jy;fisg; ghJfhg;ghf
mopj;jy; kpfTk; ftdkhfr; nraw;gly;
♦ fUtpfs;> cgfuzq;fis cgNahfpf;Fk; NghJ FiwghLfsw;w
cgfuzq;fisg; gad;gLj;jy;
♦ FiwghLfis eptpj;jp nra;j gpd;du; cgfuzq;fisg; gad;gLj;jy;
♦ ,ae;jpuq;fs;> cgfuzq;fis md;whlk; jug;gl;Ls;s mwpTiufSf;Nfw;g
guhkupj;jy;
♦ njhopw;rhiyfspy; Mgj;ij mwptpf;Fk; rkpf;iQfs;> vr;rupf;ifg; gyiffs;
Nghd;wtw;iw jhgpj;jy;. mtw;iw mDrupj;J nraw;gly;
♦ jPaizf;Fk; cgfuzq;fisj; jhgpj;jy;. mtw;wpd; nraw;ghL gw;wpAk;
nraw;gLk; tpjk; gw;wpAk; mwpTWj;jy;
♦ NtiyapyPLgLk; NghJ Vida Copau;fSld; Nfyp>gfpbfspy;
<LglhjpUj;jy;
♦ ,ae;jpuq;fSf;F ghJfhg;G ftrq;fisg; nghUj;jy;
♦ ,ae;jpuq;fis ,aq;Fk; NghJ mt;thwhd ftr ciwfs; ,y;iyNay;
164
,ae;jpuq;fs; Rakhf epWj;jptplf;; $ba cj;jp;fisg; gad;gLj;jy;
jPg;gw;wYk; jPaizj;jYk;jPg;gw;wYk; jPaizj;jYk;jPg;gw;wYk; jPaizj;jYk;jPg;gw;wYk; jPaizj;jYk;jPg;gw;wYk; jPaizj;jYk;
jPg;gw;Wtjw;F %d;W mbg;gil tplaq;fs; G+uzkhf Ntz;Lk; vupnghUs;>
vupgw;W epiy (ntg;gk;)> jfdj;Jiz vd;gdNt mitahFk;.
jPg; gw;wj;Njitahd Nkw;gb fhuzpfspy;
xd;iw mfw;WNthkhapd; jPg;gw;wy; jtpu;f;fg;gLk;.
jP tpgj;jpd; NghJ rpy rkaq;fspy; <ukhd rhf;Ffis
,l;L jPia mfw;w KbAk;. ,q;F tspAld; njhLif
miltijj; jLg;gJk;> ntg;g epiyiaf; Fiwg;gJk;
epfOk.;
jw;fhyj;jpy jP> Vw;gl fhuzkhf mikAk; vupnghUs; tifapd; mbg;gilapy;
mj;jP tifg;gLj;jg;gLfpwJ. ,jd;gb A, B, C vDk; jP tiffs; %d;whFk;. mJ
Nghd;Nw jP mizg;gjw;fhfg; gad;gLj;Jk; cgfuzq;fisAk; A, B, C vd
tifg;gLj;jyhk;.
♦ fljhrp> tpwF Nghd;wtw;why; Vw;gLk; jPia A tif jP vd;gu;.
♦ jhu;> epwr;rhak;> ngw;Nwhypak;> vupnghUs; Mfpatw;why; Vw;gLk; vupnghUl;fis
B tifj; jP; vd;gu;.
♦ kpd;frpT fhuzkhf Vw;gLk; jP C tif jP vdg;gLk;.
tsp
ntg;gk;
vupnghUs;
165
,jd;gb jPaizf;Fk; fUtpfisAk; A, B, C vd tifg;gLj;jyhk;.
12.12.12.12.12. njhopDl;gj;jpd; cr;r gaidg; ngWjw;fhf Kaw;rpahsuhfr; njhopDl;gj;jpd; cr;r gaidg; ngWjw;fhf Kaw;rpahsuhfr; njhopDl;gj;jpd; cr;r gaidg; ngWjw;fhf Kaw;rpahsuhfr; njhopDl;gj;jpd; cr;r gaidg; ngWjw;fhf Kaw;rpahsuhfr; njhopDl;gj;jpd; cr;r gaidg; ngWjw;fhf Kaw;rpahsuhfr;
nraw;gly; nraw;gly; nraw;gly; nraw;gly; nraw;gly;
12.1 Kaw;rpahshu; vDk; vz;zf;fU12.1 Kaw;rpahshu; vDk; vz;zf;fU12.1 Kaw;rpahshu; vDk; vz;zf;fU12.1 Kaw;rpahshu; vDk; vz;zf;fU12.1 Kaw;rpahshu; vDk; vz;zf;fU
kdpj ehfupfj;ij Muk;g fhyk; Kjy; Nkw;gb vz;zf;fU jpfo;fpwJ.
gz;lq;fis gupkhwpa fhy fl;lj;jpypUe;J ehzak;> tq;fp vDk;
vz;zf;fUf;fs; Clhf kpd; tzpfk; E commerce tiu Kd;Ndw;wk; miltJ
Nkw;gb Kaw;rpapd;ikikNahFk;.
gy tiutpyf;fzq;fs; cs;sgbahy; Kaw;rpahd;ik vd;gij vspjpy;
tiuaWf;f KbahJ. Entrepreneur vd;w Mq;fpy nrhy;iy Jean Baptish vd;w (1767-
1832) gpnuQ;R nghUspaywpQuhy; 1800 ,y; cUthf;fg;gl;lJ vd ek;gg;gL
fpwJ. ,jw;F Nkyjpfkhf N[hrg; ~_k; gPl;lu; vDk; nghUspay; mwpQuhy;
Kaw;rpahd;ikahsd; nghUshjhuj;jpDs; GJ cw;gj;jpahsdhfr;
nraw;gLfpd;whd; vd vLj;Jf; fhl;lg;gl;lJ. Kaw;rpahd;ikahsu;fspdhy; Gjpa
gz;lq;fs;> Nritfs;> Gjpa cw;gj;jp Kiwfs;> Gjpa epWtdq;fs; Mfpatw;iw
mwpKfQ; nra;tjd; %yk; nghUshjhuj;ij khw;wpaikf;f Kaw;rp nra;fpd;wdu;
vd;Wk; mjd; %yk; kpfg; gaDs;s ahNjDnkhd;W cUthfpd;wJ vd;Wk;
tpsf;fg;gl;Ls;sJ. Kaw;rpahd;ikahsu;fspd; Nkw;gb Vw;ghLfs; Mf;fG+u;tkhd
mopT(Creative Distruction) vd mtu; tptupj;jhu;.
gPl;lu; lf;fu; mtuJ Innovation and Intrepreneurship vDk; Eypy;
Kaw;rpahz;ikahsd; vg;NghJk; khw;wj;ijj; NjLfpwhd;. mjid rpwe;j
re;ju;g;gkhf khw;wpf;nfhs;fpwhd; vdf; Fwpg;gpl;lhu;. Nkw;gb Mrpupau;fs;
Kaw;rpahd;;ik vd;gJ xU egu; my;yJ xU rpW FO njhopy; tha;g;nghd;iwj;
Njb mjid egupd; FOtpd; my;yJ xOq;fikg;gpd; Mw;wYld; nghUj;JtJ
vdf; fhz;fpd;wdu;. ;.
mtu;fSf;Nfw;g Kaw;rpahz;ikapd; cs;slf;fkhdJ njhopy;
tha;g;Gf;fis tzpfuPjpapy; nfstpf; nfhs;tjhFk.; Kaw;rpahz;ik vd;w
vz;zf;fUtpd; %yk; gpd;tUk; nraw;ghLfs; my;yJ epyikfs; mlf;fg;gLk;.
1. #oYf;F czu;jpwidf; nfhz;bUj;jy;.
2. re;ju;g;gq;fis ,dq;fhzYk; Njbg;ngwYk;
3. cs;s epyikfis my;yJ Kiwia khw;Wk; Njit
4. Mf;fG+u;tkhf rpe;jpj;jy; ( Gjpa cw;gj;jpfis cUthf;Fjy;)
5. epakq;fSf;F khw;wkhf Nehf;Fjy;. khw;wkhd Kiwapy; rpe;jpf;fTk;
nraw;lTk; cs;s ijupak.
6. r%f eyDf;Fg; gq;fspg;G nra;jy;;
Kaw;rpahz;ikf;fhd tha;g;Gf;fs; #oypDs;cUthFk;. MfNt #oy;
gw;wp kpfTk; tpopg;Gld; ,Uj;jYk; mwpitg; ngw;wpUj;jYk; czu;jpwdhFk;.
#oy; khw;wj;jpDs; gy tifahd njhopy; tha;g;Gf;fs; kiwe;Js;sd. ,tw;iw
,zq;fhz;gJ rpukkhd fhupakhFk;. ,tw;iw ,zq;fhz;gJ Kaw;rpahz;ik
ahsDf;F kpfTk; Kf;fpakhdjhFk;. ngUk;ghYk; Kaw;rpahz;ikahsu;fs;
ghuk;gupaq;fSf;F my;yJ epakq;fSf;F rthy;tpLthu;fs;. mtu;fs;
vidNahUf;F khw;wkhd Kiwapy; mtu;fs; cyiff; fhz;fpd;wdu;. vdNt
,tu;fs; Gj;jhf;fq;fis nra;tjpy; gq;Fgw;Wfpd;wdu;. mjhtJ Mf;fG+u;tkhd
tu;fshf Mfpd;wdu;. MdhYk; epak tpjp KiwfSf;F khw;wkhf rpe;jpg;gjhy;
mtu;fSf;F Mgj;Jf;fis vjpu;nfhs;s NeupLfpd;wJ. vdpDk; mtu;fs; mjid
166
tpUk;gNtz;Lk;.
mJ khj;jpuky;yhJ xU Kaw;rpahsd; fl;lhakhf njhopy; nra;gtuhf
,Uf;f Ntz;bajpy;iy. Kaw;rpahz;ikahdJ fl;lhakhf rk;gskPl;Lk; nraw;
ghlhf ,Uf;f Ntz;bajpy;iy. vdpDk; Njitahd tpisit Nehf;fpr;
nry;tij mjpfupj;jYk; ntFrd eyid Vw;gLj;jYk; fl;lhakhf eilngw
Ntz;Lk;.
Kaw;rpahz;ikKaw;rpahz;ikKaw;rpahz;ikKaw;rpahz;ikKaw;rpahz;ik
xt;nthUtUf;Fk; xt;nthU tpjkhd Mw;wy; cz;L. Kaw;rpahz;ik
vd;gJ xUtupd; rpwg;ghdJk; ngWkjp kpf;fJkhd Mw;wyhFk;.
#oypd; tha;g;Gf;fs; fpufpj;Jf;nfhz;L Mgj;J epiyia Vw;Wf;nfhz;L
Gjpa cw;gj;jpfis cw;gj;jp nra;tjd; %yk; nry;tkPl;LjYk; r%f eyd;Gup
trjpfis Nkk;gLj;jYk; Kaw;rpahz;ikahFk;.
ve;jnthU ehl;bdJk; Rgpl;rj;jpw;F Kaw;rpahz;ik Kf;fpakhdjhFk;.
,jd; %yk; njhopy; tha;g;Gf;fs; vw;gLj;jy;> Gjpa cw;gj;jpfis cw;gj;jp
nra;jy;> tsq;fspd; cr;r gaidg; ngwy;> Efu;Nthupd; Njitfis epiw
Ntw;Wjy; Nghd;w tplaq;fis Kaw;rpahz;ikahsu;fs;; ehl;bd;
Kjw;jukhdtu;fshfpd;wdu;. ,uz;lhk; cyf kfh Aj;jj;jpd; gpd;du; ag;ghd;
Nghd;w ehLfs; cyf nghUshjhu ty;yurh;fshf khwpajd; ,ufrpak;
Kaw;rpahz;ikahFk;.
Kaw;rpahsdpd; Kf;fpaj;Jtk;Kaw;rpahsdpd; Kf;fpaj;Jtk;Kaw;rpahsdpd; Kf;fpaj;Jtk;Kaw;rpahsdpd; Kf;fpaj;Jtk;Kaw;rpahsdpd; Kf;fpaj;Jtk;
gpd;tUk; gpujhd Kf;fpaj;Jtq;fis vLj;Jf;fhl;lyhk;.
1. njhopy; tha;g;Gf;fis cUthf;Fjy;1. njhopy; tha;g;Gf;fis cUthf;Fjy;1. njhopy; tha;g;Gf;fis cUthf;Fjy;1. njhopy; tha;g;Gf;fis cUthf;Fjy;1. njhopy; tha;g;Gf;fis cUthf;Fjy;
Kaw;rpahz;ikahsu;fs; jdf;Fk; VidNahUf;Fkhd njhopy;
tha;g;Gf;fis cUthf;Ffpd;wdu;. mtu;fs; njhopy;toq;Fgtu;fs; Mtu;.
,jd;gb njhopyw;Nwhupd; gpur;rpidiaj; jPu;f;f mtu;fs; cjTfpd;wdu;.
2. cs;ehl;L tsg; ghtid2. cs;ehl;L tsg; ghtid2. cs;ehl;L tsg; ghtid2. cs;ehl;L tsg; ghtid2. cs;ehl;L tsg; ghtid
Kaw;rpahz;ikahsu;fs; Njrpa tsq;fis ghtpf;Fk; NghJ mtw;wpd;
ngWkjp mjpfupf;Fk;.
3. njhopy; Kaw;rpia gd;Kfg;gLj;jYk; gy;tifg;gLj;jYk3. njhopy; Kaw;rpia gd;Kfg;gLj;jYk; gy;tifg;gLj;jYk3. njhopy; Kaw;rpia gd;Kfg;gLj;jYk; gy;tifg;gLj;jYk3. njhopy; Kaw;rpia gd;Kfg;gLj;jYk; gy;tifg;gLj;jYk3. njhopy; Kaw;rpia gd;Kfg;gLj;jYk; gy;tifg;gLj;jYk;
Kaw;rpahz;ikahsu;fs; njhopy; tha;g;gpw;fhd gpujhd re;ju;g;gq;fis
,dq;fz;L fpuhkpag; gpuNjrq;fs; cl;gl nghUj;jkhd ,lq;fspy; mjid
epWTtu;.
4. njhopEl;g mgptpUj;jp4. njhopEl;g mgptpUj;jp4. njhopEl;g mgptpUj;jp4. njhopEl;g mgptpUj;jp4. njhopEl;g mgptpUj;jp
Kaw;rpahz;ikahsUf;F mtu;fspd; Mf;fG+u;t Mw;wy; fhuzkhf
njhopEl;gj;ijg; gad;gLj;jTk; mjd; Nkk;ghl;by; gq;Fgw;wTk; KbAk;.
5. epjp Nrfupj;jy;5. epjp Nrfupj;jy;5. epjp Nrfupj;jy;5. epjp Nrfupj;jy;5. epjp Nrfupj;jy;
Kaw;rpahz;ikA+lhf epjp Nrfupf;fTk; KjyPl;il mjpfupf;fTk; KbAk;.
6. Kaw;rpahz;ik gz;ghnlhd;iw Nkk;gLj;jy;6. Kaw;rpahz;ik gz;ghnlhd;iw Nkk;gLj;jy;6. Kaw;rpahz;ik gz;ghnlhd;iw Nkk;gLj;jy;6. Kaw;rpahz;ik gz;ghnlhd;iw Nkk;gLj;jy;6. Kaw;rpahz;ik gz;ghnlhd;iw Nkk;gLj;jy;
ntw;wpfkhd gpujp cUit(Image) fl;bnaOg;Gtjd; %yk; ,isQu;
167
AtjpfSf;Fk; Kaw;rpahz;ikahsdhf khwyhk;.
Kaw;rpahsdplk; fhzg;gl Ntz;ba gz;Gfs;Kaw;rpahsdplk; fhzg;gl Ntz;ba gz;Gfs;Kaw;rpahsdplk; fhzg;gl Ntz;ba gz;Gfs;Kaw;rpahsdplk; fhzg;gl Ntz;ba gz;Gfs;Kaw;rpahsdplk; fhzg;gl Ntz;ba gz;Gfs;
gpd;tUtd Kaw;rpahsdplk; fhzg;gl Ntz;ba gz;Gfshf ,dq;
fhzg;gl;Ls;sd.
1. #oYf;F czu;jpwidf; fhl;Ltu;. (re;ju;g;gq;fisj; NjLjYk;)
jfty;fis Muha;e;J ghu;j;jYk;
2. Mf;fG+u;t jd;ik
3. rthy;fis vjpu;nfhs;tjw;fhd tpUg;G
4. njspthd ,yf;fpa Nehf;F ,Uj;jy;
5. jd;dk;gpf;if
6. njhiy Nehf;Fk; Nehf;fq;fisAk; ,yf;FfisAk; epu;zapj;jYk;
7. f~;lkhd ,yf;Ffis miltjw;Fs;s Cf;fk; (njhlu; Kaw;rp)
8. mu;g;gzpg;G
9. ey;Nehf;Filatuhf ,Uj;jYk;; ju kw;Wk; tpidjpwd;; rhu;e;j tpUg;Gk;
10. Kiwahd jpl;lkplYk; Nkw;ghu;itAk;
NkNy Fwpg;gplg;gl;l ngUk;ghyhd ,ay;Gfs; csuPjpahd Nghf;FfshFk;.
vdpDk; fy;tp gapw;rpfspd; %yk; mtw;wpy; jpwik ngwKbAk; vd ek;gg;gL
fpd;wJ. rpyu; gpwtpapNyNa ,t;thwhd ,ay;Gfis mgptpUj;jp nra;J nfhs;tu;.
Nkw;gb Kaw;rpahz;ik jpwd;fs; egupDs; rkkhf my;y $bf;
Fiwthf mike;Js;sJ. Nkw;gb Kw;rpahz;ik gz;Gfs; kpf cau; kl;lj;jpy;
,Uf;Fkhapd; mtu;fsJ njhopy; ntw;wpailAk;.
Kaw;rpahz;ik jpwd;fis ,dq;fhZk; fUtpfs;Kaw;rpahz;ik jpwd;fis ,dq;fhZk; fUtpfs;Kaw;rpahz;ik jpwd;fis ,dq;fhZk; fUtpfs;Kaw;rpahz;ik jpwd;fis ,dq;fhZk; fUtpfs;Kaw;rpahz;ik jpwd;fis ,dq;fhZk; fUtpfs;
ntt;NtW egu;fspd; Kaw;rpahz;ik jpwd;fis ,dq;fhz gy;NtW
cgfuzq;fis cgNahfpf;f KbAk;.
1. tpdhf;nfhj;J
2. gy;NtW Kaw;rpfs;
kjpg;gPl;bw;Fg; gad;gLj;Jk; epajpfs;kjpg;gPl;bw;Fg; gad;gLj;Jk; epajpfs;kjpg;gPl;bw;Fg; gad;gLj;Jk; epajpfs;kjpg;gPl;bw;Fg; gad;gLj;Jk; epajpfs;kjpg;gPl;bw;Fg; gad;gLj;Jk; epajpfs;
♦ nra;J Kbj;jit Mf;fG+u;tkhditahfTk; Gj;jhf;fkhfTk;
,Uj;jy;
♦ nra;J Kbj;jitfspypUe;J ngwf;$ba gad;fs; (mjd; gaDs;s
jd;ik)
♦ Fwpj;j fhyj;jpDs; Mf;fj;ijg; G+uzg;gLj;jpr; rku;g;gpj;jy;
♦ fpilj;j tsq;fis tpuakhf;fhJ mtw;wpypUe;J cr;r gad;
ngwy;.
168
♦ Njitaw;w tpjkhf Nkyjpf tsq;fis cgNahfpf;fhjpUj;jy;.
vspa nraw;ghl;bd; %yk; gpd;tUk; jdpg;gl;l Kaw;rpahz;ikj;
Nju;r;rpfis ,dq;fhz KbAk;.
milTj;jpwd;fs;milTj;jpwd;fs;milTj;jpwd;fs;milTj;jpwd;fs;milTj;jpwd;fs;
♦ nghUj;jkhd re;ju;g;gq;fisj; NjLjy;
♦ njhlu;r;rpahd Kaw;rpfs;
♦ mu;gzpg;Gld; nraw;gly;
♦ juj;jpw;Fk; tpidjpwDf;Fk; cs;s tpUg;G
♦ Mgj;ij vjpu;nfhs;sy;
jpl;lkplw; jpwd;fs;jpl;lkplw; jpwd;fs;jpl;lkplw; jpwd;fs;jpl;lkplw; jpwd;fs;jpl;lkplw; jpwd;fs;
♦ Nehf;fq;fs;> Fwpapyf;Ffs;
♦ Kiwahd jpl;lkplYk; Nkw;ghu;itAk;
♦ jfty;fisf; Njbawpjy;
tY jpwd;fstY jpwd;fstY jpwd;fstY jpwd;fstY jpwd;fs;
♦ Kaw;rpAk; tiyAUf;fis cUthf;fYk;
♦ jd; ek;gpf;if
3. nrt;it ghu;f;Fk; gl;bay; (Check List)
Kaw;rpahz;ik vd;gJ kdpju;fs; ngw;Ws;s kpf Kf;fpakhd jpwd;
xd;whf ,dq;fhzg;gl;Ls;sJ. njhopy; nra;Ak; NghJ Kaw;rpahz;ik
gpuNahfuPjpapy; gad;gLj;jg;gLfpd;wJ. ngUk;ghyhd ehLfspd; Kaw;rpahz;
ikf;Ff; fhuzk; Kaw;rpahz;ikahsu;fshFk;.
Kaw;rpahz;ikahsu;fs; Muk;gpf;Fk; xU njhopy; Kaw;rp fhuzkhf
egu;fSf;F nghUl;fSk;> NritfSk; njhopy;fSk; fpilf;Fk;. ,jd;gb
egu;fspdhy; gy;NtW gz;lq;fisAk; NritfisAk; Efu;tjw;F re;ju;g;gk;
fpilf;fpd;wJ. mjw;Fj; Njitahd gzk; njhopy; %yk; fpilf;fpd;wJ. ,jd;gb
Kaw;rpahz;ikahsu; ehl;bd; cw;gj;jpf;F gq;fspf;fpd;wdu;. vdpDk; njhopy;
gpur;rpidf;F jPu;T fpilf;fpd;wJ.
Kaw;rpahz;ikahsu;fs; njhlq;Fk; njhopy;fspd;
vz;zpf;ifAk; msTk; mjpfupf;Fk; NghJ Nkw;Fwpg;gpl;l mbg;gilapy;
ngwg;gLk; gyhgyd;fSk; mjpfkhFk;. jdpahs;fspd; cau;e;j tho;f;if
epiyiag; Ngz KbAk;. rpwe;j ,Ug;gpl trjpfs;> czT Fbghdq;fs;> Mil
mzpfs;> kUj;Jt trjp> fy;tp Nghd;wtw;iw Efu KbAk;. ,jd;gb ehL NkYk;
Kd;NdWk;.
,g;gzpfs; %d;Wtifg;gLk;
jdpahl;fs; ngWk; gad;fs;
gpuNjrk; ngWk; gad;fs;
169
Njrpa kl;lg; gad;fs;
jdpahl;fs; ngWk; gad;fs;jdpahl;fs; ngWk; gad;fs;jdpahl;fs; ngWk; gad;fs;jdpahl;fs; ngWk; gad;fs;jdpahl;fs; ngWk; gad;fs;
Kaw;rpahz;ik fhuzkhf xUtu; ngWk; gad;fs; ,jd; fPo; fUjg;gLk;.
mitahtd:
1. Gjpa gz;lq;fisAk; NritfisAk; ngwyhk;.
2. rpwe;j tho;f;ifj; juj;ijg; Ngz Kbjy;
3. njhopy; ngwy;
4. njhopy; my;yJ Ntiy nra;tjd; %yk; tUkhdk; ngwy;
5. egu;fs; ngWk; Nkw;gb tUkhdk; mtu;fspd; Kd;Ndw;wj;jpw;
Fk; ehl;bd; Kd;Ndw;wj;jpw;Fk; gadhf mikAk;.
6. r%fj;jpYs;s vy;yh egu;fSk; fy;tp Rfhjhuk; Nghf;F
tuj;J Nghd;w nghJ eyNdhk;Gk; trjpfis Efu tha;g;gspj;jy;
7. kjpg;Gld; tho;f;ifia tho Kbjy;
gpuNjruPjpahd ew;gyd;fs;gpuNjruPjpahd ew;gyd;fs;gpuNjruPjpahd ew;gyd;fs;gpuNjruPjpahd ew;gyd;fs;gpuNjruPjpahd ew;gyd;fs;
rpw;rpy gpuNjrq;fs; rpw;rpy njhopy;fs; njhlu;ghf ngau;ngw;W tpsq;F
fpd;wd. ,tw;iwAk; Gjpa Mf;fq;fshf ntspg;gLj;j Kaw;rp nra;tjdhy;
Nkw;gb gyhgyd;fs; ngwg;gl;Ls;sd.
1. mg;gpuNjr trjpfs; NkNyhq;fy;
2. njhopYf;fhf NtW gpuNjrq;fSf;F nry;YtJ FiwAk;.
3. gpuNjr tsg;ghtid
4. gpuNjrj;jpy; tho;tgtu;fspd; tUkhd topfs; mjpfupf;fg;gly;
5. gpuNjr nghUshjhug; ngWkhdk; mjpfupj;jy;
6. xU njhopy; fhuzkhf Nkd;NkYk; njhopy;fs; cUthf
topNaw;gly;
7. mg;gpuNjrk; ntsaplq;fSld; njhlu;Gw;W gpugy;akiljy;
8. Nghl;bfspy; ntw;wpngWk;.
NjrpauPjpapyhd gyhgyd;fs;NjrpauPjpapyhd gyhgyd;fs;NjrpauPjpapyhd gyhgyd;fs;NjrpauPjpapyhd gyhgyd;fs;NjrpauPjpapyhd gyhgyd;fs;
KO gpuNjrj;jpYk; Kaw;rpahz;ik ,ay;Gfs; fhl;lg;gLtjhy; Nkw;gb
Njrpa kl;l gyhgyd;fis ngwKbAk;. mit gpd;tUkhW:
1. ahtUf;Fk; njhopy; fpilj;jy;
2. cau; kl;l eyNdhk;Gk; trjpfis toq;f murpdhy; Kbjy;
3. ehl;L tUkhdk; epahakhd tifapy; gutpr;nry;yy;
4. re;ijapy; nghUs;;fspd; tpiyfs; khwhJ Ngz KbAk;.
5. ehl;bd; mgptpUj;jp njhlu;r;rpahfg; Ngzg;gLjy;
6. ahtUk; cupikfisr; rkkhf Efur;nra;jy;
7. ehL gw;wp cyfshtpaPpjpapy; ey;ynjhU vOr;rp vw;gl;ly;
njhopy; #oiy Muha;e;J njhopDl;gj;Jld; njhlu;Gila njhopy;njhopy; #oiy Muha;e;J njhopDl;gj;Jld; njhlu;Gila njhopy;njhopy; #oiy Muha;e;J njhopDl;gj;Jld; njhlu;Gila njhopy;njhopy; #oiy Muha;e;J njhopDl;gj;Jld; njhlu;Gila njhopy;njhopy; #oiy Muha;e;J njhopDl;gj;Jld; njhlu;Gila njhopy;
tha;g;Gf;fisj; njupjy;tha;g;Gf;fisj; njupjy;tha;g;Gf;fisj; njupjy;tha;g;Gf;fisj; njupjy;tha;g;Gf;fisj; njupjy;
njhopy; Kaw;rpfs;njhopy; Kaw;rpfs;njhopy; Kaw;rpfs;njhopy; Kaw;rpfs;njhopy; Kaw;rpfs;
Kjypy; njhopy; Kaw;rp vd;why; vd;d vd Nghjpa tpsf;fj;ijg;
ngWNthk;. ,yhg Nehf;Fld; elhj;Jk; nraw;ghLfs; Muk;g fhyq;fspy;
“njhopy;fs”; vd;wwpag;gl;l NghjpYk; fhyj;Jld; mJ khw;wkile;Js;sJ.
170
,yhg Nehf;F khj;jpukpd;wp r%fj;jpd; eyNdhk;GjYk; xU njhopypd; Nehf;fkhf
mikaf;$Lk;. ,it jtpuTk; gy;NtW njhopy; Kaw;rpfspd; gy;NtW
Nehf;fq;fs; ,Uf;ff;$Lk;. ,jd;gb njhopy; vd;gJ kdpjj; NjitfisAk;
mtrpaq;fisAk; epiwNtw;wpagb ahjhapDk; gyhgyd;fis vjpu;ghu;j;J
elhj;Jk; nraw;ghlhFk;. njhopy; epWtdq;fs; vkJ #oypy; mjpfkhff; fhzg;
gLfpd;wd. cjhuzkhf njhlu;ghly; epWtdq;fs;. rpy;yiwf; filfs;>
gz;izfs; cl;gl tptrha cw;gj;jp njhopy;fs;> jdpahu; kUj;Jt epWtdq;fs;
Mfpatw;iwf; Fwpg;gplyhk;.
njhopy; #oy;njhopy; #oy;njhopy; #oy;njhopy; #oy;njhopy; #oy;
ve;jnthU njhopy; epWtdj;jpw;Fk; jdpahfr; nraw;gl KbahJ.
vy;yhj; njhopy;fSf;Fk; Rw;whlYld; njhlu;Gfisg; Ngz NeupLk;. njhopy;
Kaw;rpfspd; kPJ ahjhapDk; nry;thf;Ffis Vw;gLj;jf; $ba fhuzpfs;
nraw;gLk; Rw;whly; njhopy; #oy; vdg;gLk;. cl;GwkhfTk;> ntspg;GwkhfTk;
njhopy; Kaw;rpfspd; kPJ nry;thf;Fr; nrYj;Jk; vy;yhj; jhf;fq;fSk; njhopy;
#oiyr; Nru;e;jJ. njhopy; #oiyg; gpd;tUkhW tifg;gLj;jyhk;.
mfr; #oy;mfr; #oy;mfr; #oy;mfr; #oy;mfr; #oy;
epWtdj;jpDs; cs;s mjd; kPJ nry;thf;F nrYj;Jk; FOf;fSk;
epyikfSk; mfr; Rw;whlypy; mlq;Fk;.
njhopy; cupikahsu;fs;> Copau;fs;> Kfhikahsu;fs;> njhopypd;
ngsjPf Rw;whly;> mjd; fyhrhuk; MfpadTk; njhopypd; mr;f #o;epiy
vdg;gLk;.
Gwr; #oy;Gwr; #oy;Gwr; #oy;Gwr; #oy;Gwr; #oy;
njhopypd; kPJ nry;thf;F nrYj;Jk; njhopy; epwtdj;jpw;F ntspNa
cs;s ahTk; Gwr; #o;epiy vdg;gLk;. Gwr; #o;epiy ,uz;L gFjpfshFk;.
mjhtJ mz;kpa #oYk; nghJr; #oyhFk;.
njhopy; kPJ nry;thf;Fr; nrYj;jf;$ba rpwg;ghd xOq;fikg;Gf;fSk;
FOf;fSk; mz;kpa #oiyr; Nru;e;jit. thbf;ifahsu;fs;> Nghl;bahsu;fs;>
toq;Fdu;fs; MfpNahu; ,jpy; mlq;Ftu;.
njhopypd; gue;j #oYk; mj;Jld; ,ize;jJk; nry;thf;Fr;
nrYj;Jfpd;wdTkhd FOf;fs; nghJr; #oy; my;yJ Nguz;lr; #oy; vd
miof;fg;gLk;. murpay; kw;Wk; rl;lr; #oy;> nghUshjhur; #oy;> njhopYila
#oy; r%f kw;Wk; fyhrhu #oy; Mfpad ,tw;wpy; mlq;Fk;. njhopy; #oiyg;
gpd;tUkhW glf; Fwpg;gpdhy; fhl;lyhk;.
njhopy; #oy;njhopy; #oy;njhopy; #oy;njhopy; #oy;njhopy; #oy;
cl;Gwr; #oy; ntspg;Gwr; #oy;
(Internal Environment) (External Environment)
mz;kpa #oy; nghJthd #oy;
(Task Environment) (General/Macro Environment)
171
murpay; kw;Wk; rl;lr; #oy;murpay; kw;Wk; rl;lr; #oy;murpay; kw;Wk; rl;lr; #oy;murpay; kw;Wk; rl;lr; #oy;murpay; kw;Wk; rl;lr; #oy;
murpd; rl;l jpl;lq;fs;> epjp xOq;Ffs;> gpujpepjpj;jt epWtdq;fs; mur
kw;Wk; murpay; nfhs;iffs;> ,tw;wpd; khw;wq;fs; Mfpa ahTk; njhopy;fs;
njhlu;gpy; NeuhdJk; kiwKfkhdJkhd Kiwapy; nry;thf;if Vw;gLj;Jk;.
nghUshjhu #oy;nghUshjhu #oy;nghUshjhu #oy;nghUshjhu #oy;nghUshjhu #oy;
xU ehl;bd; tPf;f tpfpjk;> tl;b tpfpjk;> tUkhdg; gfpu;T> njhopy;fs;
,Uj;jy; cyf re;ijapd; tpiy khw;wq;fs; Mfpad kPJ nry;thf;Fr;
nrYj;Jk; nghUshjhur; #o;epiy fhuzpfshFk;.
G+Nfhsr; #oy;G+Nfhsr; #oy;G+Nfhsr; #oy;G+Nfhsr; #oy;G+Nfhsr; #oy;
G+Nfhskakhjypd; fhuzkhf ehLfSf;fpilNa gz;lq;fs; kw;Wk;
Nritfs; gupkhw;wk; eilngw mjpf tha;g;Gf;fs; cs;sd. NkYk; Nghl;bAk;
fLikahf cs;sJ. ,jdhy; gytifahd gz;lq;fSk; NritfSk; cyf
re;ijapy; Nru;f;fg;gl;Ls;sd.
r%f kw;Wk; fyhrhur; #oy;r%f kw;Wk; fyhrhur; #oy;r%f kw;Wk; fyhrhur; #oy;r%f kw;Wk; fyhrhur; #oy;r%f kw;Wk; fyhrhur; #oy;
egu;fspd; r%f mwnewpfs;> ek;gpf;iffs;> vjpu;ghu;g;Gf;fs; MfpadthFk;.
,tw;wpy; Vw;gLk; khw;wq;fs; njhopypd; kPJ gy;NtW Kiwapy; nry;thf;F
thbf;ifahsHfs;
nghUshjhu
murpay; rl;l
hPjpahd
khw ; w P l ; Lg ; gz ;l
cw;gj;jpahsHfs;
Nghl;bahsHfs;
r%f
,aw;ifahd
r%f fyrhu
G+Nfhs
re;ijapy; Eioa
vjpHgh;f;Fk;; cw;gj;jpahsH
xOq;fike;j
fyhr;rhuk;
KfhikahsH CopaH
chpikahsH
mfr;#oy;mfr;#oy;mfr;#oy;mfr;#oy;mfr;#oy;
mz;kpa #oy;mz;kpa #oy;mz;kpa #oy;mz;kpa #oy;mz;kpa #oy;
toq;FdHfs;
njhopDl;g
Gwr;#oy; Gwr;#oy; Gwr;#oy; Gwr;#oy; Gwr;#oy; / Nguz;lr;#oy; Nguz;lr;#oy; Nguz;lr;#oy; Nguz;lr;#oy; Nguz;lr;#oy;
172
nrYj;Jfpd;wd.
,aw;ifr; #oy;,aw;ifr; #oy;,aw;ifr; #oy;,aw;ifr; #oy;,aw;ifr; #oy;
,aw;ifr; #oypy; Vw;gLk; khw;wq;fSk; njhopy;fspd; kPJ rhjfkhdJk;
ghjfkhdJkhd nry;thf;Ffis Vw;gLj;Jfpd;wd. Rdhkpapd; NghJ gy;NtW
njhopy;fs; ghjpg;Gf;F MshFk;. mz;ikf;fhy RdhkpAld; Rw;Wyh njhopy;fs;>
mj;Jld; njhlu;Gila NtW gy njhopy;fspd; kPJ jhf;fk; Vw;gl;lJ.
r%f #oy;r%f #oy;r%f #oy;r%f #oy;r%f #oy;
rdj;njhif r%f #oypy; mlq;Fk;. rdj;njhifapd; msT>
rdj;njhif tsu;r;rp tpfpjk;> nghJf; fl;likg;G> Mz; ngz; epiy> fy;tp
kl;lk;> FLk;g fl;likg;G> tPl;Lf; Nfhyk; Mfpa fhuzpfs; gy;NtW tifapy;
njhopy; Kaw;rpfs; kPJ nry;thf;Fr; nrYj;Jfpd;wd.
njhopDl;gr; #oy;njhopDl;gr; #oy;njhopDl;gr; #oy;njhopDl;gr; #oy;njhopDl;gr; #oy;
njhopDl;g khw;wq;fs; fhuzkhf kdpjdpd; tho;f;iff; Nfhyk;
Mr;rupafukhd Kiwapy; khw;wkilfpwJ. njhopy;> tptrha> kUj;Jt>
njhlu;ghly;> Nghf;Ftuj;J Nghd;w gy;NtW JiwfspDlhf eilngWk;
njhopDl;g khw;wq;fs; njhopy; eltbf;iffspd; kPJ fLk; khw;wj;ij
Vw;gLj;Jfpd;wd.
njhopy; #oiyf; fz;lwpAk; Kiwfs;njhopy; #oiyf; fz;lwpAk; Kiwfs;njhopy; #oiyf; fz;lwpAk; Kiwfs;njhopy; #oiyf; fz;lwpAk; Kiwfs;njhopy; #oiyf; fz;lwpAk; Kiwfs;
njhopy; #oy; njhopypd; epyTifapd; NghJ gytifahd
rpf;fy;fis vw;gLj;Jkhifahy; njhopy; mjpgu; vg;NghJk; #oy; njhlu;ghf
tpopg;Gld; ,Uj;jy; Ntz;Lk;. #oiyj; Njbaha;tjd; %yk; njhopy; mjpgUf;F
#oy; Vw;gLj;Jk; jfty; gw;wp my;yJ mjd; rthy;fs; gw;wp kw;Wk; mjd;
re;ju;g;gq;fs; gw;wpa tpsf;fj;ijg; ngwKbAk;.
mJ khj;jpukpd;wp Fwpj;j mfr;#oy; epyTk; rf;jpfs;> gytPdq;fs;
Nghd;wtw;iw ,dq;fz;L jdJ gyj;jpd; nkhj;j gaidg; ngw njhopy;
mjpgUf;F tha;g;G fpilf;Fk;.
njhopy; mjpgu; > #oiyj; Njbaha SWOT/ SWOC gFg;gha;T
Kiwiag; gad;gLj;Jtu;.
S - Strength - gyq;fs;
W - Weaknesses - gytPdq;fs;
O - Opportunities - re;jHg;gq;fs;
C/T - Threats/ Challenges - rthy;fs; / mr;RWj;;jy;fs;
MfpadthFk;.
ve;jnthU tu;j;jf eltbf;ifiaAk; Muk;gpf;Fk; Kd;gjhf #o;epiyia ed;F
gFj;jha Ntz;Lk;. mjd; NghJ Nkw;gb ehd;F tplaq;fs; gw;wpAk; Muhag;gLk;.
173
njhopy; mjpgupd; gyj;ijAk; gytPdj;ijAk; mtupdhy; fl;Lg;gLj;j KbAk;.
vdpDk; re;ju;g;gq;fSk; mr;RWj;jy;fSk; ntspr;#o;epiyfspdhyhNa Vw;gLk;;.
MfNt mtw;iwf; fl;Lg;gLj;j KbahJ. vdpDk; mtw;iw ,zq;fz;L
re;ju;g;gj;ij cr;r mstpy; gad;gLj;jTk; mr;RWj;jy;fs; / rthy;fis
vjpu;Nehf;Fk; tpjj;ijj; jpl;lkplTk; Kaw;rpahz;ikahsd; nraw;gl Ntz;Lk;.
gyq;fs;gyq;fs;gyq;fs;gyq;fs;gyq;fs;
jhk; Muk;gpf;f vjpu;ghu;f;Fk; njhopy; njhlu;ghf jd;dplKs;s gyq;fis
rf;jpfisg; gw;wp Kaw;rpahz;ikahsUf;F tpsf;fk; ,Uj;jy; mtrpak;.
xUtUf;F njhopypy; <Lgl Mu;tk; tUk; NghJ mtu; mj;njhopy; njhlu;ghd
jkJ rf;jpfs; gw;wp mwpa Ntz;Lk;. jkf;F Nkw;gb njhopy; njhlu;ghf cs;s
mwpT> jpwd;> kdg;ghq;F> mDgtq;fs; MfpadTk; Nkw;gb njhopiy elj;j
jk;khy; Neuj;ij xJf;f Kbjy;> gy;NtW gFjpapduJ cjtpiag; ngWjy;
Mfpad Nkw;gb gyq;fshFk;. jkJ njhopiy elhj;j my;yJ egu;fs; %yk;
Ntiy nra;tpf;f Njitahd rf;jpAk; ,Uj;jy; Ntz;Lk;.
gytPdq;fs;gytPdq;fs;gytPdq;fs;gytPdq;fs;gytPdq;fs;
njhopiy Muk;gpg;gjw;Nfh elhj;jNth jilahf mikAk; ahjhapDk;
FiwghLfs; ,Ug;gpd; mtw;iwg; gytPdq;fs; vd;gu;. mtw;iw ,y;yhkw;nra;a
Ntz;Lk;.
c-k;:njhopnyhd;iw elhj;j mJ njhlu;ghd mwpT mtrpak;. mt;thwhd
mwpT ,y;yhky; ,Uj;jy; njhopyjpgupd; gytPdkhFk;. mtu; me;j mwpit
ahjhapdk; xU Kiwapy; ngw;Wf;nfhs;s Ntz;Lk;. NkYk; njhopiy elhj;jj;
Njitahd etPd njhopEl;g mwpT ,y;yhjpUj;jYk; xU FiwghlhFk;.
mg;gbahapd; njhopiy Muk;gpg;gjw;F Kd;gjhf mJ njhlu;ghd mwpit
ahjhapDk; xU Kiwapd; %yk; ngw Ntz;Lk;.
re;ju;g;gq;fs;re;ju;g;gq;fs;re;ju;g;gq;fs;re;ju;g;gq;fs;re;ju;g;gq;fs;
njhopiy Muk;gpj;J elhj;jpr; nry;tjw;Fs;s gy;NtW re;ju;g;gq; fs;
gw;wpa mwpT njhopy; Muk;gpg;gtUf;F ,Uj;jy; Ntz;Lk;.
cjhuzkhf jdJ njhopypd; cw;gj;jpfSf;Fj; Njitahd msT Nfs;tp
,Uj;jy;>Njitahd %yg; nghUl;fis ngWtjw;Fs;s trjp Mfpad ftdj;jpw;
nfhs;sg;gl Ntz;ba rpy NjitfshFk;.
rthy;fs;rthy;fs;rthy;fs;rthy;fs;rthy;fs;
jkJ epWtd cw;gj;jpf;Fj; Njitahd my;yJ NritAld; njhlu;ila
Nghl;bahsu;fs; ,Uf;ff;$Lk;. mt;thwhapd; mtu;fspd; cw;gj;jpfspYk;
rpwe;jjhf mikAk; cw;gj;jpfis re;ijf;F toq;f Ntz;Lk;.. jdJ njhopy;
Fwpg;gpl;l epiyia milAk; tiu mjd; %yk; Fwpg;gpl;lsT tUkhdj;ij
<l;Lk; tiu Fwpg;gpl;lsT fhyj;jpw;F nryTfisj; jhq;Fk; Mw;wy; njhopy;
mjpguplk; ,Uj;jy; Ntz;Lk;.
c-k;;: jkJ tpw;gidg; nghUl;fs; re;ijf;F tpLtpf;fg;gLk; tiu rpy
khjq;fs; fhj;jpUf;f NeupLk;. mf;fhyj;jpy; tutpd;wp nryT nra;a NeupLk;.
,r;rthiy Vw;f njhopy; mjpguplk; Nghjpa nghUshjhugyk; ,Uj;jy; Ntz;Lk;.
NkYk; njhopy; eilngWk; NghJ jkJ cw;gj;jpf;F Nghl;bahf mikAk;
NtW jkJ cw;gj;jpfs; re;ijf;F tuf;$Lk; my;yJ ntspehl;bypUe;J
174
,wf;Fkjp nra;ag;gly; eilngwf;$Lk;.
njhopEl;gj;Jld; njhlu;Gila njhopy;fs;njhopEl;gj;Jld; njhlu;Gila njhopy;fs;njhopEl;gj;Jld; njhlu;Gila njhopy;fs;njhopEl;gj;Jld; njhlu;Gila njhopy;fs;njhopEl;gj;Jld; njhlu;Gila njhopy;fs;
gy;NtW epajpfspd; mbgg;ilapy; njhopy;fis ghFgLj;Jtu;. tu;j;jf
eltbf;iffspd; jdpikf;Nfw;g njhopy;fisg; gpd;tUkhW tifg; gLj;Jtu;.
1. cw;gj;jpj; njhopy;fs;
2. Nrit njhopy;fs;
njhl;Lzuf;$ba gz;lq;fis cw;gj;jp nra;Ak; njhopy;fs; cw;gj;jpj;
njhopy;fs; vdg;gLk;. egu;fspdJk; NjitfisAk; mtrpaq;fisAk; Neubahf
epiwNtw;Wk; Nghf;Ftuj;J> njhlu;ghly;> moFf; fiy> rpdpkh Nghd;w mUtg;
gz;lq;fis toq;Fk; epWtdq;fs; Nritj; njhopy;fs; vd;Wk; miof;fg;gLk;.
Kaw;rpahz;ikahsu; ,e;j vy;yh JiwfspYk; <LgLtu;
njhopy; tha;g;nghd;iwj; Nju;e;njLf;Fk; NghJ fUjg;gLk; fhuzpfs;njhopy; tha;g;nghd;iwj; Nju;e;njLf;Fk; NghJ fUjg;gLk; fhuzpfs;njhopy; tha;g;nghd;iwj; Nju;e;njLf;Fk; NghJ fUjg;gLk; fhuzpfs;njhopy; tha;g;nghd;iwj; Nju;e;njLf;Fk; NghJ fUjg;gLk; fhuzpfs;njhopy; tha;g;nghd;iwj; Nju;e;njLf;Fk; NghJ fUjg;gLk; fhuzpfs;
njhopy; tha;g;ghf miktJ njhopy; fUj;J;fshFk;. fUj;J cUthd
khj;jpuj;jpy; mjid nraw;gLj;j KbahJ. vdpDk; fUj;ij njhopy; tha;g;ghf
khw;w xUtu; nra;a Ntz;ba gy cs;sd. ehk; Kd;du; fye;Jiuahbagb
SWOT gFg;gha;tpd; %yk; njhopy; fUj;Jf;fspy; nry;thf;Fr; nrYj;Jk;
gpd;tUk; fhuzpfs; gw;wp ftdj;jpw;nfhs;sg;gLk;.
1. re;ij:1. re;ij:1. re;ij:1. re;ij:1. re;ij:
,q;F re;ij vdg;gLtJ Fwpj;j gz;lk; my;yJ Nrit njhlu;ghd
Efu;Nthuhtu;. jkJ cw;gj;jpf;fhf re;ijapYs;s Efu;Nthd; gw;wpa jf;f mwpT
njhopy; mjpgUf;F ,Uj;jy; Ntz;Lk;. ey;y re;ij tha;g;G cs;sjh? Nghjpa
vz;zpf;ifahd Efu;Nthd; cs;sduh jd; Fwpg;gpLk; tpiyia mtu;fspdhy;
nrYj;j KbAkh? jdJ cw;gj;jpf;F Nghl;bahsu;fs; cs;sduh? Nghd;w gy
tplaq;fs; ftdpf;fg;gl Ntz;Lk;.
2. gad;gLj;Jk; njhopDl;gk;2. gad;gLj;Jk; njhopDl;gk;2. gad;gLj;Jk; njhopDl;gk;2. gad;gLj;Jk; njhopDl;gk;2. gad;gLj;Jk; njhopDl;gk;
jdJ cw;gj;jpapd; njhopDl;gk; gw;wp ,q;F ftdj;jpw; nfhs;sg;gLk;.
mt;Tw;gj;jpf;fhf cw;gj;jpahsu;fs; gpd;gw;Wk; njhopDl;gk; ahJ mjdpYk;
Kd;Ndw;wfukhd njhopDl;gj;ijg; gad;gLj;j KbAkh? jdf;F mjw;fhd
njhopDl;g mwpT cs;sjh my;yJ ntspapypUe;J ngw Kbakh Nghd;w
tplaq;fs;> mjw;fhf cjTk; epWtdq;fs; gw;wpa jfty;fs; mtrpakhdjhFk;.
3. Njitahd ciog;G3. Njitahd ciog;G3. Njitahd ciog;G3. Njitahd ciog;G3. Njitahd ciog;G
njhopypd; vy;yh nraw;ghLfisAk; njhopy; mjpgupdhy; jdpahfr; nra;a
KbahJ. rpy njhopy;fspd; NghJ ntspapypUe;J ciog;igg; ngw NeupLk;
c-k; tu;j;jfuPjpapy; Nfhopg; gz;iznahd;iw elhj;Jk; NghJ NfhopfSf;F
cztspf;f> gz;iziar; Rj;jg;gLj;j> Kl;il Nrfupf;f> ,iwr;rp jahupf;f
Copau;fs; Njitg;gLthu;fs;. Nkw;gb cly; ciog;G tsj;ijg; ngWtjw;fhf
mjw;fhf Copau;fisg; gad;gLj;Jk; tpjk;> Njitahd gapw;rpngw;w
gapw;rpngwhj Copau;fspd; vz;zpf;if mtu;fSf;F Cjpak; toq;fy;
FLk;gj;jpd; cly; ciog;igg; gad;gLj;jf;$ba Kiw> Copau;fs; njhlu;ghd
rl;ljpl;lq;fs; Mfpad ftdj;jpw;nfhs;sg;gLk;.
175
4. gzj;ijj; NjLk; topfs;4. gzj;ijj; NjLk; topfs;4. gzj;ijj; NjLk; topfs;4. gzj;ijj; NjLk; topfs;4. gzj;ijj; NjLk; topfs;
njhopy; Kaw;rpf;Fj; Njitahd gzk; jd;dplk; cs;sjh.
mt;thW ,d;Nwy; mjidj; jk;khy; Njbg;ngw KbAkh Mfpad Kjypy;
ftdpf;fg;gl Ntz;Lk;.
,jw;F Nkyjpfkhf ftdpf;fg;gl Ntz;bad gy cs;sd. %yg;
nghUl;fisj; Njbg; ngWjy;> rk;gsk; toq;fy;> Njitahd fl;llq;fis
mikj;jy; Nghd;wtw;wpw;F njhopy; mjpgUf;F gzk; Njitg;gLk;. jk;kplk;
cs;s gzj;jpy; vt;tsit ,jw;fhf Kjyplyhk;> vt;tsT gzj;ij
tq;fpfspypUe;J ngwyhk; Nghd;w tplaq;fSk; mjw;fhd trjp cz;lh vd;gJk;
ftdj;jpw; nfhs;sg;gl Ntz;ba tplaq;fshFk;.
,jw;F Nkyjpfkhf ftdpf;fg;gl Ntz;ba NtW tplaq;fSk;
cs;sd. vdpDk; Nkw;gb xt;nthU fhuzpAk; me;je;j njhopypd; jd;ikf;Nfw;g
NtWgLk;. cjhuzkhf Fwpj;j xu; cw;gj;jpf;fhd %yg;nghUl;fisg; ngw
cs;s trjp kpf Kf;fpa jPu;khdpf;Fk; fhuzpahf mikaf;$Lk;. %yg;
nghUl;fisg; ngWtJ rpukkhapd; Nkw;gb tzpff; fUj;ij ntw;wpfukhf;fpf;
nfhs;s KbahJ. mt;thwhd re;ju;g;gj;jpy; Kaw;rpahz;ikahsd; mLj;j rpwe;j
fUj;ijj; Nju;e;njLf;f Ntz;Lk.;
njhopy; tha;g;ig kjpg;gpLjy;njhopy; tha;g;ig kjpg;gpLjy;njhopy; tha;g;ig kjpg;gpLjy;njhopy; tha;g;ig kjpg;gpLjy;njhopy; tha;g;ig kjpg;gpLjy;
tzpfr; re;jnkhd;iw kjp;g;gpLifapy; ftdk; nrYj;jKf;fpakhd rpy
epakq;fs; fPNo glj;jpy; fhl;lg;gl;Ls;sd. NkNy Fwpg;gpl;ljw;fpdq;f xt;nthU
tzpfr; reijAk; kpf EZf;fkhf kjpg;gPL nras;j gpd;du; > kpfg;
nghUj;jkhd tapff; fUj;ijj; njupT nra;J nfhs;s Nt;zLk;.
12.3 njhopnyhd;wpd; ntw;wpf;fhf rpwe;j Kfhikj;Jtj;ijg;12.3 njhopnyhd;wpd; ntw;wpf;fhf rpwe;j Kfhikj;Jtj;ijg;12.3 njhopnyhd;wpd; ntw;wpf;fhf rpwe;j Kfhikj;Jtj;ijg;12.3 njhopnyhd;wpd; ntw;wpf;fhf rpwe;j Kfhikj;Jtj;ijg;12.3 njhopnyhd;wpd; ntw;wpf;fhf rpwe;j Kfhikj;Jtj;ijg;
gad;gLj;jy;gad;gLj;jy;gad;gLj;jy;gad;gLj;jy;gad;gLj;jy;
Kfhikj;Jtr; nraw;ghLKfhikj;Jtr; nraw;ghLKfhikj;Jtr; nraw;ghLKfhikj;Jtr; nraw;ghLKfhikj;Jtr; nraw;ghL
tpidj; jpwd; kpf;fthW tsq;fisg; gad;gLj;jp tpidj; jpwDld;
Nehf;fq;fisAk; Fwpf;Nfhs;fisAk; epiwNtw;wpf;nfhs;tij Kfhikj;Jtk;
gyhgyd;fs;
jhq;f Ntz;ba Mgj;J
epiy
gyq;fSk;
gytPdq;fSk;
Kfhikj;JtKk;
njhopDl;gKk;
re;ijAk; Nghl;bAk;
#o;epiy
njhopy; tha;g;ig kjpj;jy;
176
vd;gu;.
,jd;gb kdpj ehfupfj;jpd; Muk;gj;jpypUe;Nj me;je;j fhyfl;lq;fSf;F
Vw;wthW nra;a Ntz;batw;iw rupahfr; nra;J kdpju;fs; gpur;rpidiaj;
jPu;j;Jf;nfhz;l Kiw gw;wpa rhd;Wfs; cs;sd. ,jd;gb Kfhikj;Jt
nraw;ghlhdJ kdpj ehfupfj;jpw;f gioikahdJ.
Nkw;gb tiutpyf;fzj;jpw;F Vw;g Kfhikj;Jtr; nraw;ghL ntw;wpngw
gpd;tUk; ehdF tplaq;fs; G+uzkila Ntz;Lk; vd ,dq;fhzg;gl;Ls;sJ.
1. jpl;lkply;
2. xOq;F nra;jy;
3. topfhl;ly;
4. Kd;Ndw;w fl;Lg;ghL> newpg;gLj;jy;> kjpg;gPL
,jd;gb tu;j;jfnkhd;wpd; Nehf;fq;fis epiwNtw;w kdpj kw;Wk; Vida
tsq;fisj; jpl;lkply;> xOq;F nra;jy;> topfhl;ly;> fl;Lg;gLj;jy; Mfpa
gzpfs; mlq;Fk; nraw;ghL Kfhikj;Jtk; vdg;gLk;.
gpd;tUk; tplaq;fs; fhuzkhf xU njhopYf;F Kfhikj;Jtk;
Kf;fpakhfpd;wJ.
1. tu;j;jf Nehf;fq;fis epiwNtw;wpf;nfhs;tjw;fhf xOq;F
Kiwahfr; nraw;gl;L ntw;wpailjy;
2. tu;j;jf Kiwfs; gbg;gbahf gue;jjhfTk; rpf;fyhdjhfTk;
khWtjhy; tsq;fisf; ifahSk; rpukj;ijj; jtpu;j;jy;
3. kdpjj; NjitfisAk;> mtrpaq;fisAk; epiwNtw;Wtjw;Fs;s
tsq;fs; Fwpj;j mstpdjhifahy; mtw;wpypUe;J cr;r gaidg;
ngwy;
4. njhlu;r;rpahf khwptUk; murpay;> nghUshjhu> rl;l> njhopDl;g>
r%f> fyhrhu nry;thf;FfSf;F Vw;wthW jkJ tzpfj;ij
xOq;fikj;jy;;
5. etPd cyfpy; tu;j;jfq;fSf;fpilNa fLk; Nghl;b epyTtjhy;
Nkw;gb Nghl;biaj; jtpu;j;J jkj tu;j;jfj;ij ntw;wpailr;nra;J
ePz;l fhyk; epiyf;fr; nra;jy;
6. jkJ tpahghuk; njhlu;ghf mf;fiw fhl;Lk; Copau;fs;> thbf;if
ahsu;fs;> KjyPl;lhsu;fs; toq;Fdu;fs; Mfpa ahtupdJk;
vjpu;ghu;g;Gffis cr;r mstpy; epiwNtw;w Nkw;gb vjpu;ghu;g;Gf;
fSf;fpilNa rkepiyiag; Ngzy;
1.jpl;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;lkply;1.jpl;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;lkply;1.jpl;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;lkply;1.jpl;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;lkply;1.jpl;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;lkply;
ahjhapDk; tzpfnkhd;wpdhy; vjpu;fhyj;jpy; mila tpUk;Gk;
Nehf;fq;fs;> Fwpf;Nfhs;fs; Mfpatw;iw epiwNtw;Wjy; njhlu;ghd cj;jpfs;>
nfhs;iffs;> rl;ljpl;lq;fs;> eilKiwfs;> tuT nryTfs; Nghd;wtw;iwj;
jahupf;Fk; nraw;ghL jpl;lkply; vdg;gLk;.
,jd; NghJ tu;j;jfj;Jld; njhlu;Gila Gw> mf fhuzpfs;
ftdj;jpw;nfhs;sg;gl Ntz;Lk;. ,J Vida Kfhikj;Jt gzpfSf;F
mbg;gilia toq;Fk; Kf;fpa mbj;jskhFk;. jpl;lkplyhdJ vjpu;fhyj;ij
Nehf;fp nraw;gLtJ Nghd;Nw epfo;fhyj;jpw;Fk; vjpu;fhyj;jpw;Fk; ,ilNa
vw;gLk; ,ilntspia epug;g vLf;Fk; eltbf;ifAkhFk;.
177
jpl;lkply; gpujhd ehd;F gbKiwfshf tpsf;fg;gLk;jpl;lkply; gpujhd ehd;F gbKiwfshf tpsf;fg;gLk;jpl;lkply; gpujhd ehd;F gbKiwfshf tpsf;fg;gLk;jpl;lkply; gpujhd ehd;F gbKiwfshf tpsf;fg;gLk;jpl;lkply; gpujhd ehd;F gbKiwfshf tpsf;fg;gLk;
a. jhd; nry;Yk; ,lj;ij mwpe;J itj;jy; jhd; nry;Yk; ,lj;ij mwpe;J itj;jy; jhd; nry;Yk; ,lj;ij mwpe;J itj;jy; jhd; nry;Yk; ,lj;ij mwpe;J itj;jy; jhd; nry;Yk; ,lj;ij mwpe;J itj;jy;
jhd; Muk;gpf;Fk; tzpfj;jpd; ,Wjp tpisitj; jPu;khdpj;jy; ,jd;
fUj;jhFk;. vy;yh egu;fSk; mJ Nghd;Nw tzpfq;fSf;Fk; vjpu;fhy Nehf;F
,Uj;jy; Ntz;Lk;. vy;yh jpl;lq;fSk; mjd; mbg;gilapNyNa jahupf;fg;gLjy;
Ntz;Lk;;. %ypif cw;gj;jp tpahghuk; xd;iw Muha;Nthk;. ,q;F ,Wjp Nehf;fk;
jpl;ltl;lkhf njhopiy Muk;gpf;Fk; NghNj jPu;khdpf;fg;gl Ntz;Lk;.
c-k; - cau; juj;jpyhd gytifahd %ypif nrbfs; 5000 I
cw;gj;jp nra;J mtw;iw Fwpg;gpl;l fhy Kbtpy; re;ijf;F ntspaply;
b. mq;F Fwpj;j ,lj;ijr; nrd;wile;jikia mwpe;Jnfhs;sy; mq;F Fwpj;j ,lj;ijr; nrd;wile;jikia mwpe;Jnfhs;sy; mq;F Fwpj;j ,lj;ijr; nrd;wile;jikia mwpe;Jnfhs;sy; mq;F Fwpj;j ,lj;ijr; nrd;wile;jikia mwpe;Jnfhs;sy; mq;F Fwpj;j ,lj;ijr; nrd;wile;jikia mwpe;Jnfhs;sy;
jpl;lkpLk; NghJ jdJ Nehf;fq;fis rpwg;ghfTk; msf;ff; $bathWk;
jhj;tPfkhfTk; fhytiuaiwfSlDk; tFj;Jf;; nfhs;s Ntz;Lk;. mg;NghJ
jhk; Fwpj;j Nehf;fj;ij mile;Js;Nshkh vd;wwpa topAz;L.
NkNy Fwpg;gpl;l %ypif gw;wpa cjhuzj;ijf; fUJk; NghJ mtw;iw
vg;NghJ ahUf;fhf ve;jsT cw;gj;jp nra;a Ntz;Lk;. vdj; jPu;khdpj;J Fwpj;j
njhif epiwNtwpAs;sjh vd jpl;ltl;lkhf mwpayhk;.
c. mq;F nrdwiulAk;; Kiwia mwpjy;. mq;F nrdwiulAk;; Kiwia mwpjy;. mq;F nrdwiulAk;; Kiwia mwpjy;. mq;F nrdwiulAk;; Kiwia mwpjy;. mq;F nrdwiulAk;; Kiwia mwpjy;
jdJ tzpfj;jpd; ,Wjp Nehf;fj;ij epiwNtw;wpf;nfhs;Sk; NghJ
mjw;fhfg; gpd;gw;w Ntz;ba Kiwapay; gw;wp ,q;F fUjg;gLfpd;wJ. ,JTk;
tpahghuj;ijj; Jtq;Fk; NghNj jPu;khdpf;fg;glNtz;ba xd;whFk;. tpahghuj;jpd;
Nehf;fj;ijAk; Fwpf;NfhisAk; epiwNtw;wj; Njitahd nfhs;iffs;> cj;jpfs;>
cgha topfs;> nraw;ghLfs; Mfpad ,q;F jPu;khdpf;fg;gl Ntz;Lk;. mtw;iw
kjpg;gpl;L nghUj;jkhdtw;iwj; Nju;e;njLj;jYk; jpl;lkplypd; NghJ eilngw
Ntz;badthFk;.
d. mq;F nrd;wilaj; Njitahd tsq;fis ,dq;fhzy; mq;F nrd;wilaj; Njitahd tsq;fis ,dq;fhzy; mq;F nrd;wilaj; Njitahd tsq;fis ,dq;fhzy; mq;F nrd;wilaj; Njitahd tsq;fis ,dq;fhzy; mq;F nrd;wilaj; Njitahd tsq;fis ,dq;fhzy;
jdJ tzpf Kaw;rpapd; ,Wjp Nehf;fj;ij mila gy;NtW
kdpj> ngsjPf tsq;fs; mtrpakhFk;.
c-k;- Nkw;gb %ypif tpahghuj;jpw;F Copau;fs>; tsu;g;Gg; nghUl;fs;>
tsu;g;G Clfk;> %ypiffis elj; Njitahd nghypj;jPd; ciw
Mfpatw;iwAk; nfhs;tdT nra;aj; Njitahd gzk;> tpahghuj;ij elj;jpr;
nry;y Xuplk;> jdJ cw;gj;jpfSf;fhd re;ij Mfpad Njitahd tsq;
fshFk;. mLj;J Kfhikj;Jtr; nraw;ghl;bd; ,uz;lhk; gbia Muha;Nthk;.
2. xOq;F nra;jy;2. xOq;F nra;jy;2. xOq;F nra;jy;2. xOq;F nra;jy;2. xOq;F nra;jy; jpl;lkpl;ljd; gpd;du; Fwpj;j jpl;lj;jpd;gb elf;f rpwe;j
xoq;fikj;jy; mtrpakhFk;.
♦ tpahghuj;jpd; Nehf;fq;fisAk; Fwpf;Nfhs;fisAk; mila
Njitahd topfis ,dq;fhzy;
♦ mtw;Wf;F trjpfis Vw;gLj;jy;
♦ Njitahd mjpfhuq;fisAk; nghWg;Gf;fisAk; toq;Fjy;
♦ Nkw;gb gzpfSf;fpilapyhd njhluG;fisf; fl;bnaOg;gy;
♦ Nkw;gb gzpfis epiwNtw;w kdpj kw;Wk; Vida ts xJf;fPL
178
mlq;Fk; nrad;Kiw xOq;FgLj;jy; vdg;gLk;.
xOq;FgLj;jy; njhlu;r;rpahd Kfhikj;Jtr; nraw;ghlhFk; mjd;
%yk; tpahghuj;jpd; Nehf;fq;fis epiwNtw;wj; Njitahd kdpj tsj;jpw;Fk;
Vida tsq;fSf;Fk; ,ilapy; vj;jifa Kiwahd njhlu;G fhzg;gl
Ntz;Lk; vd vLj;Jf;fhl;lg;gLk;.
jpl;lkply; Nehf;fq;fisAk; Fwpf;Nfhs;fisAk; mila Njitahd
gzpfisf; $whf;fp mtw;wpw;F Vw;w nghWg;Gf;fisAk; NtiyfisAk;
xg;gilj;J tpahghuj;jpd; xOq;fikg;G cUthf;fg;gLk;. ,q;F vy;yh epWtdg;
gzpfisAk;; Nehf;fq;fSlDk;k; Fwpf;Nfhs;fSlDk;k; ,ilNa njhlu;GgLj;jy;
Ntz;Lk;.
,jd; Kf;fpa gbKiwfs; rpythFk;.
1. xOq;fikg;G fl;likg;nghd;iw jPu;khdpj;jy;
xOq;fikg;gpd; fl;likg;G vd;gJ tzpfj;jpd; gy;NtW gpupTfs;>
gjtpfs;> gFjpfs; Mfpatw;wpw;fpilNa ,ilj;njhlu;G Vw;glf;$bathW
jahupf;fg;gLk; mikg;Gr; rl;lfkhFk;. jdJ tzpfj;jpd; mstpw;Fk; jd;ikf;Fk;
Vw;g Fwpj;j xOq;fikg;G jPu;khdpf;fg;l Ntz;Lk;. cjhuzkhf ahjhapDk;
gz;lnkhd;iw cw;gj;jpnra;J re;ijg;gLj;Jk; epwtdnkhd;Wf;F gpd;tUtJ
Nghd;w epWtd fl;likg;G ,Uj;jy; Ntz;Lk;.
2. kdpj tsj;ijg; ngwy;
3. nghUs; tsq;fisg; ngwy;
4. Neuj;ijAk; gzj;ijAk; xJf;fpf;nfhs;sy;
3. topfhl;ly;3. topfhl;ly;3. topfhl;ly;3. topfhl;ly;3. topfhl;ly;
tu;j;jfj;jpd; Nehf;fj;ij mila Njitahd epWtd
fl;likg;igj; jahupj;jjd; gpd;du; mjid epiwNtw;WtJld; njhlu;GilNahu;
fSf;Fk;> FOf;fSf;Fk; jiyikj;Jtk; toq;FjNy topfhl;ly; vdg;gLk;.
,JTk; tpahghuj;jpd; ntw;wpapd; kPJ nry;thf;Fr; nrYj;Jk; gpujhd fhuzp
ahFk;.
jiyikj;Jtk; vd;gJ ahjhapDk; Nehf;fj;ij epiwNtw;w xU
egupd; my;yJ egu;fspd; elj;ijapd; kPJ nry;thf;Fr; nrYj;Jtjw;Fs;s
.
jiyikj;Jt epiwNtw;W mjpfhhp
cw;gj;jp tpepNahf Mszp epjp
KfhikahsH KfhikahsH KfhikahsH KfhikahsH
Nkw;ghHitahsHfs; fsQ;rpaf; ntspf;fs cjtp
njhopyhsHfs; fhg;ghsH cj;jpNahfj;jH KfhikahsH
epjpahsH
( Shroff)
179
Mw;wyhFk;.
jiyikj;Jtj; jpwDk; Mw;wYk; cs;s Kfhikahsupdhy;
jiytuhfTk; nraw;gl KbAk;. vdpDk; xU Kfhikahsu; vg;NghJk; jiytuhf
KbahJ. Vnddpy; mtuplk; jiyikj;Jt jpwikfs; ,y;yhtpl;lhy; my;yJ
jdJ epWtdj;jpYs;s Copau;fs; mtiu xU jiytuhf Vw;Wf;nfhs;shtpl;lhy;
mtu; xU jiytuhf khl;lhu;. jiyikj;Jtj; jpwd;fspdhYk; Mw;wy;fspdhYk;
Nkw;gb fzpg;ig cUthf;fpf; nfhs;syhk;.
jiyikj;Jt gz;Gfs;jiyikj;Jt gz;Gfs;jiyikj;Jt gz;Gfs;jiyikj;Jt gz;Gfs;jiyikj;Jt gz;Gfs;
1. Ntiyfis xg;gilj;jy;
2. njhlu;ghly;
3. KbntLj;jy
4. CLflj;jy;
5 Cf;fy;
4) Kd;Ndw;w fl;Lg;ghl;il topg;gLj;jYk; kjpg;gplYk;4) Kd;Ndw;w fl;Lg;ghl;il topg;gLj;jYk; kjpg;gplYk;4) Kd;Ndw;w fl;Lg;ghl;il topg;gLj;jYk; kjpg;gplYk;4) Kd;Ndw;w fl;Lg;ghl;il topg;gLj;jYk; kjpg;gplYk;4) Kd;Ndw;w fl;Lg;ghl;il topg;gLj;jYk; kjpg;gplYk;
tpahghuj;jpd; cz;ikahd ngWNgWfSld; jpl;lkpl;l nraw;ghL
fisAk; ngWNgWfisAk; xg;gpl;L khw;wq;fs; Vw;gl;bUg;gpd; jpUj;jk; nra;Ak;
eilKiw njhlu;Gila nra;Kiw Kd;Ndw;wf; fl;Lg;ghL vdg;gLk;.
a. fl;Lg;ghl;bd; Kf;fpaj;JtKk; NjitAk;. fl;Lg;ghl;bd; Kf;fpaj;JtKk; NjitAk;. fl;Lg;ghl;bd; Kf;fpaj;JtKk; NjitAk;. fl;Lg;ghl;bd; Kf;fpaj;JtKk; NjitAk;. fl;Lg;ghl;bd; Kf;fpaj;JtKk; NjitAk;
1. tpahghu xOq;fikg;G #oypy; Vw;gLk; khw;wq;fs;
ve;jnthU njhopy; Kaw;rpiaAk; Rw;whlypd; nry;thf;fpypUe;J tpLtpf;f
KbahJ. tsq;fs; Njbg;ngWtjpy; cs;s gpur;rpidfs;> Gjpa rl;ljpl;lq;fs;>
Gjpa fz;Lgpbg;Gf;fs;> Nghl;b Nghd;w epyikfs; fhuzkhf vjpu;ghu;f;Fk;
Nehf;fk; epiwNtwhJ Nghff;$Lk;. tpahghur; #oypy; Vw;gLk; gy;NtW
khw;wq;fs;> Nkw;gb khw;wq;fshy; tzpf eltbf;iffs; kPJ Vw;gLk; jhf;fq;fs;
Mfpatw;iw fl;Lg;ghl;Lr; nraw;ghl;bd; %yk; Kaw;rpahz;ikahsupdhy; mwpa
KbAk;.
b. mjpfhuKk; nghWg;Gf;fisg; gfpUk; NjitAk; mjpfhuKk; nghWg;Gf;fisg; gfpUk; NjitAk; mjpfhuKk; nghWg;Gf;fisg; gfpUk; NjitAk; mjpfhuKk; nghWg;Gf;fisg; gfpUk; NjitAk; mjpfhuKk; nghWg;Gf;fisg; gfpUk; NjitAk;
tu;j;jfj;jpDs; gy;NtW gzpfisAk; nra;tjw;Fk;;. fl;lisaplTk; tsg;
gfpu;tpw;Fk; cs;s rl;luPjpahd cupik mjpfhuk; vdg;gLk;. nghWg;G vd;gJ
tpahghuj;jpDs; jkf;F xg;gilf;fg;gl;l Fwpg;gpl;l gzpfis
epiwNtw;Wtjw;Fs;s flg;ghlhFk;. xUtUf;F mjpfhuk; fpilj;jjd; gpd;du;
mjw;F Vw;g mr;nrayfs; njhlu;ghd nghWg;Gf;fs; Vw;gLk;. Nkw;gb
nghWg;Gf;fSf;Fk; mjpfhuj;jpw;Fk; ,ilNa rkepiyiag; NgzpathW elj;jy;
epu;thfj;jpd; fl;lha mk;rkhFk;.
c kdpju;fspd; jtWfspdhy; kdpju;fspd; jtWfspdhy; kdpju;fspd; jtWfspdhy; kdpju;fspd; jtWfspdhy; kdpju;fspd; jtWfspdhy;
d. epWtd nraw;ghLfspd; rpf;fy; jd;ikapdhy;. epWtd nraw;ghLfspd; rpf;fy; jd;ikapdhy;. epWtd nraw;ghLfspd; rpf;fy; jd;ikapdhy;. epWtd nraw;ghLfspd; rpf;fy; jd;ikapdhy;. epWtd nraw;ghLfspd; rpf;fy; jd;ikapdhy;
12.4 Nju;e;njLf;fg;gl;l tu;j;jf tha;g;Gf;fis ntw;wpailar;nra;a12.4 Nju;e;njLf;fg;gl;l tu;j;jf tha;g;Gf;fis ntw;wpailar;nra;a12.4 Nju;e;njLf;fg;gl;l tu;j;jf tha;g;Gf;fis ntw;wpailar;nra;a12.4 Nju;e;njLf;fg;gl;l tu;j;jf tha;g;Gf;fis ntw;wpailar;nra;a12.4 Nju;e;njLf;fg;gl;l tu;j;jf tha;g;Gf;fis ntw;wpailar;nra;a
re;ijg;gLj;jiy jpl;lkply;re;ijg;gLj;jiy jpl;lkply;re;ijg;gLj;jiy jpl;lkply;re;ijg;gLj;jiy jpl;lkply;re;ijg;gLj;jiy jpl;lkply;
tzpff; fUj;Jf;fSs; nghUj;jkhd xd;iwj; Nju;e;njLj;jy;
Efu;Nthupd; NjitiaAk; tpUg;Gf;fisAk; gw;wp Njbg; ghu;g;gjd; %yk; tu;j;jf
180
fUj;Jf;fis cUthf;fyhk;. xU tzpfk; njhlu;ghf fUj;J cUthd
khj;jpuj;jpy; mJ xU rpwe;j fUj;jhfkhl;lhJ. tpahghuf; fUj;Jf;fis
cUthf;Fjy; vspjhd NghjpYk; mtw;iw tzpf re;ju;g;gq;fshf khw;Wjy;
rpukkhdjhFk;. ,e;epiyikiag; Gupe;Jnfhs;s Kbahikapdhy; gpw;fhyj;jpy;
gy tzpfq;fs; Njhy;tpaile;Js;sd. KjyPl;lhsUf;F NghjpasT
,yhgj;ijg; ngw;Wf;nfhLf;ff;$ba ftu;r;rpfukhd fUj;njhd;iw my;yJ
gpNuuizia tzpf tha;g;ghff; fUjyhk;.
rpwe;j tzpf tha;g;nghd;wpy; fhzf;$ba ,ay;Gfs; rpy gpd;tUkhW
♦ rpwe;j re;ij tha;g;ig Vw;gLj;j Kbjy;
♦ re;ijahdJ tpahghuk; nra;af;$banjhd;whf mikjy;
♦ NghjpasT ,yhgj;ij milaf;$bajhf ,Uj;jy;
♦ re;ijg; Nghl;bia vjpu;nfhs;sf; $bajhf ,Uj;jy;♦ tu;j;jfupd; Nehf;fj;ij epiwNtw;wf;$bajhf ,Uj;jy;
♦ Njitahd tsq;fisj; jpul;bf; nfhs;sf;$bajhf ,Uj;jy;
♦ ehl;bd; rl;l jpl;lq;fSf;F Vw;wjhf mikjy;
♦ tu;j;jf eltbf;fiff;f Njitahd gupr;rak; jpwDk;nfhz;bUj;jy;
Nkw;gb tplaq;fspd; mbg;gilapy; Kaw;rpahz;ikahsu; tzpf
tha;g;Gf;fisg; gFj;jha Ntz;Lk;. mt;thW gFj;jha;e;jjd; gpd;du;
Nju;e;njLj;j nghUj;jkhd tzpf re;ju;g;gj;ij nraw;gLj;j Njitahd
jpl;lq;fis jahupf;f Ntz;Lk;.
tzpf Kaw;rpnahd;iw Muk;gpf;Fk; NghJ jpl;lkply; kpf
Kf;fpakhdnjd jpl;lkply; vDk; mj;jpahaj;jpd; %yk; mwpe;Jnfhz;Bu;fs;.
nghUj;jkhd tzpfu tha;;g;nghd;iwj; Nju;e;njLj;jjd; gpd;du; tzpf
jpl;lj;ijj; jahupg;gjpy;; mjpf ftdk; fhl;lg;gl Ntz;Lk;.
tzpfj;Jld; njhlu;Gila gpd;tUk; vy;yh tplaq;fs; njhlu;ghfTk;
ftdk; nrYj;Jjy; tzpfj; jpl;lkplypd; %yk; eilngWk;.
♦ re;ijj; Njitfs;♦ kdpj tsj; Njitfs;♦ njhopw;ghl;L; eltbf;if♦ epjptsj; Njitfs;
vy;yhj; Njitfs; gw;wpAk; mf;fiw nrYj;jp gpujhdkhf gpd;tUk;
jpl;lq;fs;; jahupf;fg;gLk;.
♦ re;ijg;gLj;Jk; jpl;lk; ♦ kdpj tsj; jpl;lk; ♦ cw;gj;jp kw;Wk; njhopDl;gj; jpl;lk; ♦ epjpj; jpl;lk;
vjpu;fhyj;jpy; Muk;gpf;f vjpu;ghu;f;Fk; xU tzpfk; njhlu;ghf Nkw;gb
vy;yh jpl;lq;fSk; kjpg;gplg;gl;l Gs;sptpguq;fspd; mbg;gilapNyNa
jahupf;fg;gLk;. vdpDk; mitahTk; cz;ikahd jfty;fshf ,Ug;gJ
Kf;fpakhdjhFk;.
re;ijg;gLj;jy; jpl;lk;re;ijg;gLj;jy; jpl;lk;re;ijg;gLj;jy; jpl;lk;re;ijg;gLj;jy; jpl;lk;re;ijg;gLj;jy; jpl;lk;
,J tzpfj; jpl;lj;jpy; mlq;Fk; Kf;fpa mk;rkhFk;. re;ijg;gLj;Jk;
jpl;lj;jpy; tpw;gid gw;wpa vjpu;T $wy;fSk; re;ijg;gLj;Jk; cj;jpfs; gw;wpAk;
ftdk; nrYj;jg;gLk;. Efu;Nthdpd; NjitfisAk; tpUg;GfisAk;
jpUg;jpgLj;Jtjw;Fk; mjd; %yk; tu;j;jf Nehf;fq;fis epiwNtw;wpf;
181
nfhs;tjw;Fk; jf;f cj;jpfisg; gpd;gw;wNtz;Lk;. mjw;F re;ijg;gLj;Jk; cgha
topfs; mtrpakhFk;. ,q;F Efu;Nthdpd; Njitfis ,dq;fhzy;> Efu;Nthdpd;
Njitfs; jpUg;jpailaf; $bathW cw;gj;jpfis cUthf;Fjy; kw;Wk;
Efu;Nthd; vjpu;ghu;f;Fk; ngWkjpf;F rkkhd tpiyia epu;zapj;jy;>
Efu;NthUf;Fj; Njitahd ,lj;jpy; Njitahd mstpy; Njitahd Neuj;jpy;
ngw;Wf;nfhLj;jy;> njhlu;ghly; Mfpad re;ijg;gLj;Jk; cgha topfshFk;.
re;ij Ma;Tre;ij Ma;Tre;ij Ma;Tre;ij Ma;Tre;ij Ma;T
re;ijg;gLj;Jk; jpl;lj;ij jahupf;Fk; NghJ Njitahd
jfty;fis ngw;Wf;nfhs;tjw;F re;ijia ed;F Njb Muha Ntz;Lk;.
re;ijg;gLj;j vjpu;ghu;f;Fk; gz;lk; gw;wpa jfty;fisr; Nrfupg;gjw;fhf re;ij
Ma;T Kf;fpakhdjhfpd;wJ.
gz;l cw;gj;jpf;F gpd;dUk; re;ij Ma;T elhj;jg;gLk;.
,tw;wpd; %yk; Efu;Nthdpd; njupTf;F Vw;w gz;lq;fs; cw;gj;jp
nra;ag;gLtjhy; re;ij Ma;T gad;kpf;fjhfpd;wJ.
cw;gj;jpf;F Kd;du; fzpg;gPl;bd; %yk; tpUg;Gf;fis (Rit>
tpUg;G) ,dq;fhz KbAk;. gpd;du; nra;Ak; fzpg;gPl;bd; gb gz;lj;jpd;
gytPdq;fs;> FiwghLfs; gw;wp mwpayhk;.
re;ij Ma;T elhj;jg;gLk; tpjk;re;ij Ma;T elhj;jg;gLk; tpjk;re;ij Ma;T elhj;jg;gLk; tpjk;re;ij Ma;T elhj;jg;gLk; tpjk;re;ij Ma;T elhj;jg;gLk; tpjk;
1. Neu;fhzy; Kiw1. Neu;fhzy; Kiw1. Neu;fhzy; Kiw1. Neu;fhzy; Kiw1. Neu;fhzy; Kiw
xt;nthU jdp egiuAk; re;jpj;J Fwpg;gpl;l tpdhf;nfhj;jpd;gb tpdh
vOg;gg;gl;L jfty; Nrfupf;fg;gLk;.
2. mQ;ry; %yk; mDg;gg;Lk; tpdhf;nfhj;J2. mQ;ry; %yk; mDg;gg;Lk; tpdhf;nfhj;J2. mQ;ry; %yk; mDg;gg;Lk; tpdhf;nfhj;J2. mQ;ry; %yk; mDg;gg;Lk; tpdhf;nfhj;J2. mQ;ry; %yk; mDg;gg;Lk; tpdhf;nfhj;J
,jid Ra fzpg;gPL vd;gu;. tpdhf;fis mQ;ry; %yk;
Fwpj;j egUf;F mDg;gpa gpd;du; mtu; mjw;F jdpahf tpilaspg;ghu;.
,t;thwhd tpdhf;nfhj;Jf;fs; njspthdjhfTk; rpf;fyw;wjhfTk; ,Uf;f
Ntz;Lk;.
3. mtjhdpg;G Kiw3. mtjhdpg;G Kiw3. mtjhdpg;G Kiw3. mtjhdpg;G Kiw3. mtjhdpg;G Kiw
re;ijapy; vtUf;Fk; mwptpf;fhjthW mtjhdpf;f egu;fis <LgLj;
Jtjd; %yk; fzpg;gPL elhj;jg;gLk;. cjhuzkhf xU filapy; tpw;gid
nra;ag;gLk; nghUl;fs; gw;wp ftdk; nrYj;Jjy;> mtjhdpg;gpd; NghJ
Efu;Nthd; re;ijapy; ele;Jnfhs;Sk; tpjk; vd;gd gw;wp Muhag;gLk;. ve;jg;
nghUl;fis my;yJ Nritfis Efu;Nthd; mjpfkhff; Nfl;fpwhd;> mit
vt;thwhdit> ve;j msTfspy; Nfl;fpwhd;> ve;jf; fhyq;fspy; Nfl;fpwhd;
Nghd;w jfty;fis mtjhdpg;gpd; %yk; mwpe;Jnfhs;s KbAk;. ,q;F xU
Kiwapd; %yk; ngwg;gLk; jfty;fspd; Nghjpajd;ik nrk;ik njhlu;ghd
gpur;rpidfs; vOkhapd; ,uz;L Kiwfs; my;yJ vy;yh KiwfisAk;
cgNahfpj;J Fwpj;j re;ij gw;wp njspthd fUj;ijg;ngw KbAk;.
,yf;Fr; re;ijiaj; Nju;e;njLj;jy;,yf;Fr; re;ijiaj; Nju;e;njLj;jy;,yf;Fr; re;ijiaj; Nju;e;njLj;jy;,yf;Fr; re;ijiaj; Nju;e;njLj;jy;,yf;Fr; re;ijiaj; Nju;e;njLj;jy;
re;ij xd;wpy; epiwNtwhj NjitfspidAk; mtrpaq;fisAk; nfhz;l
Efu;Nthu; ,Uf;ff;$Lk;. ,jid re;ij ,ilntsp vd miog;gu;. rpwpjhf
182
tzpfk; xd;iw Muk;gpf;Fk; Kaw;rpahz;ikahsd; xUtDf;F ,t;thwhd re;ij
,ilntspia ,dq;fhz;gJ gad; kpf;fjhf mikAk;. gz;lq;fisAk;
NritfisAk; re;ijf;F rku;g;gpf;Fk; NghJ mtw;iw re;ijf;F toq;FNthiuj;
jpl;ltl;lkhf ,dq;fhz;gJ gad; kpf;fjhf mikAk;. mjw;fhf re;ijiag;
gpupj;Jf;nfhs;s Ntz;Lk;. ,jw;fhf gpd;tUk; fhuzpfis cgNahfpf;f KbAk;.
c-k; G+NfhsuPjpahd fhuzpfs;> taJf; fl;likg;G> Mz;> ngz;
epiy> mtupd; nghUshjhu epiy> njhopy;> fy;tp kl;lk;> FLk;gj;jtupd;
vz;zpf;if
,t;thW ,dq;fhzg;gLk; re;ijg; gFjp ,yf;Fr; re;ij my;yJ ,yf;F
EfHNthu; vd miof;fg;gLk;.
re;ijg;gLj;jw;; fyitre;ijg;gLj;jw;; fyitre;ijg;gLj;jw;; fyitre;ijg;gLj;jw;; fyitre;ijg;gLj;jw;; fyit
cw;gj;jpahsdplkpUe;J ,yf;F re;ij tiu gz;lq;fisAk; NritfisAk;
toq;fj; Njitahd vy;yhr; re;ijg;gLjj;jy; eilKiwfspd; $l;L> re;ijg;
gLj;Jk; fyitahFk;.
cw;gj;jp epWtdnkhd;W ahjhapDk; gz;lnkhd;wpd; %yk; kdpj
Njitfis epiwNtw;w vjpu;ghu;f;Fk; NghJ Fwpj;j re;ijg;gLj;jw; fyitiaj;
jpl;lkpl Ntz;Lk;.
re;ijg;gLj;Jk; fyitapy; mlq;Fk; mk;rq;fs;
♦ cw;gj;jpg; nghUs; / gz;lk; (Product ) ♦ ,lk; (place)
♦ tpiy (Price) ♦ Nkk;gLj;jy; (Promotion)
ahjhapDk; xU tu;j;jfUf;F Nkw;gb mk;rq;fis jkJ ,yf;F Efu;Nthu;;
FOtpw;F nghUe;JkhW fye;J rku;g;gpf;f KbAkhapd; mg;gz;lj;ijr; re;ijg;
gLj;jy; njhlu;ghf gpur;rpidfs; Vw;gl khl;lhJ.
cw;gj;jp(cw;gj;jp(cw;gj;jp(cw;gj;jp(cw;gj;jp(Product)
cw;gj;jp my;yJ gz;lk; vdg;gLtJ Efu;tjd; %yk; my;yJ
ngw;Wf;nfhs;tjd; %yk; my;yJ ftdj;ij <u;g;gjd; %yk; my;yJ Njitfs;>
mtrpaq;fis jpUg;jpailaf;$bathW re;ijf;F Kd;itf;fg;gLk; ahjhapDk;
xU nghUshFk;.
ve;j xU cw;gj;jpf;Fk; me;j cw;gj;jpapd; %yk; ngw;wf;nfhLf;fg;gLk;
mbg;gilg; gyhgyd;fSk; mjid toq;Ftjw;fhf xd;W Nru;f;fg;gl;Ls;s
Nkyjpf gyhgyd;fSk; cz;L. cw;gj;jpfspd; mbg;gilg; gad;fisg; ngw;Wf;
nfhLf;Fk; NghJ mj;Jld; xd;WNru;f;fg;gLfpd;w gz;Gfs; rpy gpd;tUkhW.
♦ juk; ♦ tpahghuf; FwpaPL
♦ ntt;NtW msTfs; ♦ nghjpnra;jy;(Packaging)
♦ KOepiwT ♦ Rw;Wiw(Wrapping)
♦ ngau;
183
tpiy(tpiy(tpiy(tpiy(tpiy(Price)
tpiyiag; gpd;tUk; tplaq;fspd; mbg;gilapy; jPu;khdpg;gu;.
♦ vjpu;ghu;f;Fk; ,yhgk;
♦ cw;gj;jpf;fhd fpuak;
♦ Nghl;b cw;gj;jpapd; tpiy
♦ cw;gj;jpg;gz;lj;jpw;fhd re;ijapy; epyTk; Nfs;tp
nghUs; xd;wpd; tpiyaj; jPu;khdpg;gjd; %yk; epiwNtw;ww Ntz;ba
epge;jidfs; gpd;tUkhW
♦ re;ijapy; epiyj;J ,Uj;jy;
♦ NghjpasT ,yhgk; ngWjy;♦ fpuaj;ij <L nra;jy;
♦ gz;lq;fis tpiutpy; gzkhf khw;wpf; nfhs;sy;
,lk;(,lk;(,lk;(,lk;(,lk;(Place)
gz;lq;fs; my;yJ Nritfis ntw;wpfukhf tpwq;gid nra;af;
$ba re;ijNa ,jd; %yk; fUjg;gLfpwJ.. cw;gj;jpahsu;fs; jkJ nghUl;fis
vspjpy; ngwf;$ba trjpfis Efu;NthDf;F toq;f KbAk;.
Nkk;gLj;jy;(Nkk;gLj;jy;(Nkk;gLj;jy;(Nkk;gLj;jy;(Nkk;gLj;jy;(Promotion)
re;ijg;gLj;Jk; nraw;ghL KOikngw ,yf;fhff;nfhs;sg;gLk;
Efu;Nthd; mJ gw;wpa mwpitg; ngw;wpUj;jy; Ntz;Lk;. jkJ epWtdk;> gz;lk;
my;yJ Nrit gw;wp Efu;Nthid mwpTWj;jy; Nkk;gLj;jy; vdg;gLk;.
tpahghupfs; gy;NtW tifahd Nkk;gLj;jy; Kiwfisg; gpd;gw;Wtu;
mtw;Ww; rpy:
1. tpsk;gug;gLj;jy;( Advertising)
2. tpw;gid Nkk;gLj;jy;( Sales promotion)
3. jdpg;gl;l tpw;gid(Personal selling)
4. kf;fs; njhlu;ghly;(public relations)
5. Neub re;ijg;gLj;jy;(Direct Marketing)
Nkw;gb Nkk;gLj;jy; Kiwfis Nkk;gLj;jy; fyit vd;gu;. Nkk;gLj;jy;
%yk; tpahghuj;jpw;F tpN~l ed;ikfs; gytw;iw Vw;gLj;j KbAk;. mtw;Ws;
♦ re;ijg;gLj;jiy mjpfupj;jy;
♦ Nghl;bia ntw;wpfukhf vjpu;nfhs;sy;
♦ re;ijapy; jq;fpapUj;jy;
♦ re;ijg; gq;if mjpfupj;Jf; nfhs;sy;
♦ ,yhgj;ij mjpfupj;Jf;nfhs;sy;
♦ Gjpa cw;gj;jpfis mwpKfQ;nra;jy;
♦ epWtdk; gw;wpAk; cw;gj;jp nraw;ghLfs; gw;wpAk; mwpKfQ;nra;jy;
Nghd;w tplaq;fs; Kf;fpakhdjhFk;.
tpw;gid gw;wpa vjpu;T$wy;fs;( tpw;gid gw;wpa vjpu;T$wy;fs;( tpw;gid gw;wpa vjpu;T$wy;fs;( tpw;gid gw;wpa vjpu;T$wy;fs;( tpw;gid gw;wpa vjpu;T$wy;fs;( Sales Forecast)
tpahghup jhd; khjhe;jk; my;yJ fhyhz;by; my;yJ KOMz;by;
tpwgid nra;a vjpu;ghu;f;Fk; myFfspd; vz;zpf;if gw;wpa kjpg;gPl;il
184
re;ijg;gLj;Jk; jpl;lj;jpy; cs;slf;f Ntz;Lk;.
re;ij Ma;it mbg;gilahff; nfhz;L tpwgid nra;a vjpu;
ghu;f;Fk; msit vjpu;T $w Ntz;Lk;.
Nkw;gb tpw;gid vjpu;T $wy; kpff; ftdkhfr; nra;a Ntz;ba
xd;whFk;. ,jd; mbg;gilapNyNa Vida vy;yh tplaq;fSk;
jpl;lkplg;gLfpd;wikahy; ,t;thW vr;rupf;ifahfr; nraw;gl Ntz;Lk;.
re;ijg;gLj;Jk; nryTre;ijg;gLj;Jk; nryTre;ijg;gLj;Jk; nryTre;ijg;gLj;Jk; nryTre;ijg;gLj;Jk; nryT
,jd; fPo; re;ijg;gLj;Jk; jpl;lk; rku;g;gpf;fg;gLtjhy; jdJ
cw;gj;jpiar; re;ijg;gLj;j jhq;fNtz;ba nryTfs; gw;wpf; fUjg;gLk;.
tpw;gid nra;a vjpu;ghu;f;fg;gLk; msit ftdj;jpw;nfhz;Nl Nkw;gb
nryTfs; jPu;khdpf;fg;gLk;.
♦ tpepNahfr; nryTfs;
♦ tpsk;gur; nryTfs;
♦ re;ijg;gLj;jy; Copaupd; rk;gsk;
♦ tpw;gidf; fopT(Commission)
Mfpad re;ijg;gLj;Jk; nryTfshff; fzpf;fg;gLk; rpy nryTfshFk;.
.
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